Lot 3393

William Cashmore 20 Gauge Boxlock Double Barrel Shotgun

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William Cashmore 20 Gauge Boxlock Double Barrel Shotgun

Estimate: $1,800 - $2,750

Starting Bid: $1,600

(0 Bids)

by Rock Island Auction Company
August 23, 2026 9:00 AM CDT
Live Auction
3600 Harwood Road
Bedford, TX, US 76021

William Cashmore 20 Gauge Boxlock Double Barrel Shotgun Completed between 1904 and 1925 according to page 115 of Nigel Brown's "British Gunmakers Volume Three". Built with blacked steel dovetail lump barrels featuring a single bead sight on the smooth game rib which is marked "Wm CASHMORE. MAKER. BIRMINGHAM" along with a gold inlaid "1" set amongst scrollwork, light engraving at the breech, an import mark on the right tube, period Birmingham proof marks, choke constrictions of .017/.026 inches, and chambers marked 2 1/2 inches with ejectors. The barrels are fitted to the casehardened boxlock action which is unadorned aside from "Wm. CASHMORE" on either side and features double triggers, a gold inlaid "1" on the toplever, and an automatic tang safety with gold inlaid "S". The gun is fitted with an attractively figured and multi-point checkered splinter forend with casehardened iron and release which shows a gold "1" as well as a straight grip stock with silver stock oval and a serrated butt. Stock measurements: 1 3/8 inch drop at comb; 2 inch drop at heel; 13 7/8 inch length of pull; weight 5 lbs. 5 oz.

Manufacturer: Wm. Cashmore

Model: Side by Side

BBL: 28 inch solid rib

Stock: walnut

Gauge: 20

Finish: blue/casehardened

Serial Number14197

Class: Curio & Relic Long Gun

  • Condition: Fine overall, showing about 30% original case colors, the balance a silver patina, 95% reblacked finish on the barrels, a few patches of spotting, a few dings and scratches on the wood, a few cracks around the wrist and rear of tang, and well-defined checkering. Mechanically excellent.

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Bid Increments
From: To: Increments:
$0 $199 $10
$200 $499 $25
$500 $999 $50
$1,000 $1,999 $100
$2,000 $4,999 $250
$5,000 $9,999 $500
$10,000 $19,999 $1,000
$20,000 $49,999 $2,500
$50,000 $99,999 $5,000
$100,000 $199,999 $10,000
$200,000 + $25,000