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Mustad-Carlisle Hooks hook silhouette
Hook Reference › O. Mustad & Son Hooks › Mustad Hooks – 1804 A

O. Mustad & Son 1804 A

Mustad-Carlisle HooksDate not established

Evidence reviewed October 14, 2026. Marks: P photographically · V verified · I inferred · E estimated · S speculative What they mean

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Summary

The 1804 A is a single-point hook from O. Mustad & Søn of Norway. The documented box is labeled ‘Mustad-Carlisle Hooks’ for 100 hooks and carries a hand-written size 7 P.

The hooks photographed have a long, plain shank and a closed ring eye. No source located dates the model or this label design, so the page gives no production period.

Photographic record

4 photographs

Mustad 1804 A — white cardboard box with paper label — size 7 — vintage Norwegian packaging
IMG-1Mustad 1804 A Box and Label Size 7 Box for Qual. 1804 A, 100 hooks, with its glued label: key trademark, snowflake border and a purple hand-written 7 after 'No.' Brown staining marks the left and lower label (P).

How to identify it

The model line reads ‘Qual. 1804 A’. The words ‘Filed Point’ sit above, and ‘Ringed Tinned’ below, the product name ‘Mustad-Carlisle Hooks’ P.

The size on the documented box is a hand-written 7 after the printed ‘No.’ P. Check the size on the hooks themselves, since a hand-written number is not a printed size statement.

Technical profile and measurements

Features of the model, as recorded
FeatureRecordedEvidence
EyeBall Eye, Straight / Inline
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Small closed ring eye in line with the shank; oval outline. The label prints 'Ringed' P. The ring joint is not visible.

OBS-1LBL-6
WireRound, est. ~0.015" (~0.38 mm)MEA-4OBS-7CMP-3CMP-3 compared with 142 catalogued hooks classified Heavy (1X Heavy), near the line with Extra-Heavy (2X+)
ShankSpecial Long — PlainCMP-1OBS-2CMP-1 compared with 20 catalogued hooks classified Special Long
BendDublin, Standard gap
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Continuous round bend, roughly a half circle P. The point returns toward the eye, roughly parallel to the shank P. The label names the hook Mustad-Carlisle.

CMP-2LBL-5OBS-3CMP-2 compared with 8 catalogued hooks classified Dublin
PointSuperior
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Single small barb raised from the inner face of the point, a short distance back from the tip, at a shallow angle. Cut face shows fine ridges P.

OBS-5
FinishTinned — stated on packaging
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Label prints 'Tinned' P. Hooks photographed show a satin silver-grey finish with fine granular texture and a few tiny dark pits.

LBL-6OBS-6

The shank is long, straight and plain. The photographed hooks show no baitholder barbs (small slices raised from the shank to hold bait), ridges or kinks, and only a few small surface nicks P.

The point is long and tapering, with a near-straight inner face from the barb to the tip P. The label prints ‘Filed Point’ P. File marks are not distinguishable in the photographs.

The wire looks even in thickness along the shank and bend. Whether the section is round or forged cannot be seen in these side views.

Measurements

Per size, with how each dimension was taken
SizeOverall lengthShank lengthGap widthBend depthWire diameterWeightShank:gap
(unspecified)Specimen S125 mm Egrid photoMEA-1 Check: The evidence record measured 55 mm (MEA-1).16.5 mm Egrid photoMEA-2 Check: The evidence record measured 45 mm (MEA-2).6 mm Egrid photoMEA-3 Check: The evidence record measured 12 mm (MEA-3).5.6 mm Egrid photo—Not available Igrid photo~2.7 : 1
Calibrated SVG True-scale preview

How hook dimensions are measuredA hook outline with dimension lines for overall length, shank length, gap, bend depth, and wire diameter.Overall lengthShank lengthGapBend depthWire diameter
Overall length
Eye to the farthest point of the bend.
Shank length
Eye to the start of the bend.
Gap
Point to shank, at right angles to the shank.
Bend depth
Shank to the bottom of the bend.
Wire diameter
Across the wire, measured by caliper where possible.

Specimens, packaging, and label

This record documents one specimen. It describes that specimen only, not every example of the model.

Closed cream cardboard box with a glued label printed O. MUSTAD & SÖN, Oslo — Norway, Qual. 1804 A, Mustad-Carlisle Hooks and Ringed Tinned, a key trademark, a snowflake border and a purple hand-written 7.
Open full size

S1 · Box labeled size 7

Size
7 (printed on the label)
Container
Box
Hook condition
Hooks inside the box were not photographed. Two loose hooks photographed separately show intact points and barbs, no bending and no visible rust (P).
Packaging condition
Good — moderate wear, legible
Wear
label, left third, lower left and bottom margin: Brown blotchy staining of the label paper, with lighter tan toning along the label edges. Printing stays legible. LBL-10
Wear
label, right half, running top centre to lower right: Faint diagonal crease or fold line across the label paper. Cause not determinable. LBL-11
Wear
label, left edge, between 'Brand' and '100': Small dark-brown triangular speck or nick. LBL-12
Wear
box top surface, upper right above the label: Tan discoloration of the box surface. LBL-13
Measured
size (unspecified)
Photographs
IMG-1IMG-2IMG-3IMG-4

Cream box, closed, with a glued label. The label has brown blotchy staining and edge toning, a faint diagonal crease and a small dark speck; the box top has tan discoloration at upper right. Corners look intact and all printing is legible P. A grey surface shows along the right edge; lid construction is not clear. The loose hooks in the other photographs are not shown to come from this box.

What the label says

LBL-1 trademark · label, left side, above and below the key graphic from IMG-1
Key
Brand
LBL-2 printed · label, upper centre and right from IMG-1
O. MUSTAD & SÖN
Manufacturers
OSLO — NORWAY
LBL-3 printed · label, centre from IMG-1
Qual. 1804 A
LBL-4 printed · label, centre, below model line from IMG-1
Filed Point
LBL-5 printed · label, centre, large bold line from IMG-1
Mustad-Carlisle Hooks
LBL-6 printed · label, centre, below product name from IMG-1
Ringed Tinned
LBL-7 printed · label, lower left from IMG-1
100
No.
LBL-8 printed · label, lower right from IMG-1
Made in Norway
LBL-9 handwritten · label, lower centre, in the blank after 'No.'; tail reaches the bottom border from IMG-1
7
Trademark
Upright engraved-style skeleton key: oval bow with a pinched figure-eight opening, round shaft, toothed bit pointing right. The word Key sits above it and Brand below. The label is framed by a border of repeated eight-armed snowflake or asterisk motifs.
As entered on the specimen record
Key
Brand
O. MUSTAD & SÖN
Manufacturers
OSLO — NORWAY
Qual. 1804 A
Filed Point
Mustad-Carlisle Hooks
Ringed Tinned
100
No.
Made in Norway
Layout
One glued label inside a snowflake-motif border. The key trademark panel is at left, with 'Key' above the graphic and 'Brand' below. Maker, model, point and product lines are centered; '100' and 'No.' are at lower left; 'Made in Norway' is at lower right. The hand-written 7 follows 'No.'
Later marks
7 in purple ink, written after the printed 'No.'; its tail reaches the bottom border.

Condition

Hooks as photographed (two loose hooks): points and barbs intact, no bending, no visible rust, light surface specks P. Hooks inside the box were not photographed.

Storage and Preservation

Handle the box by its sides; the label is stained and creased P. Store it flat, dry and out of direct light. The contents were not photographed, so check the hooks for corrosion before long-term storage.

Pattern history and manufacturer context

Series

The label identifies the hook as ‘Qual. 1804 A’ P. The sources consulted do not give the date the 1804 series began, the meaning of the ‘A’ suffix, or how long the model stayed in production.

Dating

No source consulted dates the 1804 A or this label. The label gives 'OSLO — NORWAY' with no street address or postal code. Norway introduced four-digit postal codes on 18 March 1968, and Oslo used zone numbers until 1 April 1984 V. The address line therefore does not place the label before or after either change I.

O. Mustad & Son — O. Mustad & Søn grew from a factory founded in 1832 in Vardal by Hans Schikkelstad; Ole Hovelsen Mustad later took it over and renamed it. Mustad industrialized hook production in 1877 V. Read the maker’s history →
Oslo on the label. The label gives the maker's place as Oslo. A reference source gives the company's headquarters as Gjøvik, and no source consulted explains the difference PV.

Use

  • Bait fishing
  • Saltwater

Primary application

No source consulted states what the 1804 A was sold for. The label gives only the product name ‘Mustad-Carlisle Hooks’ P.

Collecting and buying

3 / 10CollectabilityRarity: Common

Rated 3 (common, with interest), provisionally: nothing recorded marks the 1804 A as scarce, and no catalog listing, discontinuation date, count of surviving examples or sold result has been found for it.

The rating describes the model as it is usually found, not the boxed specimen documented here. That specimen’s condition is recorded in its specimen notes.

No sold results are recorded for the 1804 A, so any value range shown is unverified. Sold results or counts of boxes seen would allow the rating to be firmed up.

Market value

Insufficient recorded sales data to estimate a reliable value.

0 sold observations recorded; 2 are needed, with the basis and date of the range, before a value is shown. Asking prices are shown as asking prices only.

No sold sales are recorded for this model, so the range shown has no recorded sales behind it. Asking prices are not counted.

Where to find

eBay, estate sales, vintage tackle dealers, tackle swap meets

Label and source analysis

Box Markings

A purple ink 7 is written in the blank after the printed ‘No.’ P. The stroke is wide and soft-edged, and its tail reaches the bottom border P. Who wrote it, and when, is not recorded.

Modern equivalents and related hooks

Modern equivalents
HookMatchNotes
Eagle Claw 214ExcellentDirect modern descendant with identical Carlisle geometry and proportions
Mustad 3261Very goodModern Mustad long-shank bait hook with similar application
Tiemco 200RGoodSimilar length but designed for fly tying with semi-dropped point

Best matchRelated by Attribute

Computed automatically from catalog data — updated as new hooks are added.

SilhouetteHook ModelMatchAnalysisCompare
34040 No. 4/0 — O'Shaughnessy silhouette34040 No. 4/0 — O'Shaughnessy71%Matches: Shank, Eye, Eye Orient., Point, Offset +2 moreDiffers: Bend: Dublin vs O'Shaughnessy; Gap: Standard vs Wide; Finish: Tinned vs Gold-Plated +4 moreCompare
92628 ST No. (unspecified) — Mustad 92628 ST65%Matches: Shank, Gap, Eye, Finish, Application +2 moreDiffers: Bend: Dublin vs Beak / Reversed Point; Eye Orient.: Straight / Inline vs Turned Down; Point: Superior vs Hollow Point +4 moreCompare
34031 No. 5/0 — O'Shaughnessy silhouette34031 No. 5/0 — O'Shaughnessy63%Matches: Shank, Gap, Eye, Eye Orient., Point +4 moreDiffers: Bend: Dublin vs O'Shaughnessy; Forging: Round vs Forged; Shank Feat.: Plain vs Curved +2 moreCompare
31010 ST No. 3/0 — Mustad-Atlantic Limerick Hook silhouette31010 ST No. 3/0 — Mustad-Atlantic Limerick Hook62%Matches: Gap, Eye, Eye Orient., Point, Finish +5 moreDiffers: Bend: Dublin vs Limerick; Shank: Special Long vs 1X Long; Shank ratio: 66.0% vs 67.8% +1 moreCompare
23407 D No. 1/0 — O'Shaughnessy Hooks Ringed Duratin silhouette23407 D No. 1/0 — O'Shaughnessy Hooks Ringed Duratin62%Matches: Gap, Eye, Eye Orient., Point, Finish +5 moreDiffers: Bend: Dublin vs O'Shaughnessy; Shank: Special Long vs 1X LongCompare

ExploratoryRelated by Shape (SVG)

Ranked purely by silhouette geometry — attribute labels are ignored.

SilhouetteHook ModelMatchCompare
4370 No. 6 — Mustad 4370 Kendal Kirby silhouette4370 No. 6 — Mustad 4370 Kendal Kirby76%Compare
3267 No. 9 — Superior Aberdeen Hooks silhouette3267 No. 9 — Superior Aberdeen Hooks73%Compare
8323 No. 5 — Mustad 8323 silhouette8323 No. 5 — Mustad 832369%Compare
36717 No. 2 — Mustad 36717 Limerick silhouette36717 No. 2 — Mustad 36717 Limerick67%Compare
3983 No. 5/0 — Mustad 3983 silhouette3983 No. 5/0 — Mustad 398366%Compare

Sources, open questions, and record notes

Sources & Documentation

This specimen and its packaging — photographed, 4 images
Supports: sub brandquantity per packagesize documentedeyebendwireshankbarbfinishcondition notesmeasurement notesdating rangepackagingsecondary applicationsfly patternsfun fact titlefun factmeta descriptionprimary search termssummarytechnical notesseries historyprimary applicationidentification

Entry last updated June 9, 2026. Entries are updated as new specimens, measurements, or documents come to light.