December 17, 2026 The Estate Of Whitefoord Cole II: Firearms & Militaria
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The live portion of this session begins on Thursday, December 17, 2026.
This company was formed just to produce this revolver that was patented on December 7th, 1880. They were located in Norwich, Connecticut. It was based on the LeMat principle with a cylinder that held 8 rounds of .22 short ammunition and a lower barrel in .32 caliber and used a pivoting firing pin. It is estimated that less than 300 were produced before the company folded around 1882 indicating that they probably started serializing at 1000 or higher. It is a nickel plated top break with a rib on upper barrel that exhibits the patent date. Top of frame has the "DUPLEX" moniker and the Osgood legend is stamped on left side of the lower barrel. Ebonized square butt grips. The number "1838" is stamped on barrel, back of cylinder exhibits no number, and the inside the grip frame is stamped "2276". An example of this rare revolver resides at the Smithsonian. CONDITION: Excellent. Appears in near new condition retaining virtually all of the nickel finish with nominal finish handling, no visible cylinder face burn, a ghost drag line, crisp legends, and strong case colors on the hammer. Mechanically sound. Both barrels are bright. Would be nearly impossible to find a nicer example of this rare revolver.
Name
Value
Barrel Length
2 - 1/2"
Caliber/Bore
.22 RF / .32 RF
FFL Status
Antique
Manufacturer
Osgood Gunworks
Model
Duplex
Serial Number
1838
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Minimum Bid: $500.00
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Estimate: $1,000 - $1,200
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