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Home Products RARE Antique Gravity Knife

RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife
RARE Antique Gravity Knife

RARE Antique Gravity Knife

by Heysinger, Isaac W.

SKU 153792

Date Added 06/04/2018

# Available This product is out of stock

Price $450.00

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Overview

This is the ONLY steel version of this rare knife we've ever seen.  Most are production models in brass.  The casting is crude and blade is definitely hand made.  Scales of ebony.  We believe this is a very early piece of this RARE model.
The bolster is stamped Novelty Hunting Knife,  Pat. Nov 11.84.  The patent (#307,767) was issued to Isaac W. Heysinger (former Captain in Pennsylvania 19th Cavalry) on November 11, 1884.  The original design showed interchangeable blades.

The steel on this piece shows rust and scratches.  Blade appears to have been sharpened numerous times and is somewhat different that the shape shown in the patent.  Own a piece of knife history!

Product Details

Blade Length 3.25

Overall Length 8.875

Closed Length 5.25

Weight (oz) 3.8

Source Previously owned

Additional Specs

Handle Material Wood

About the Maker

Heysinger, Isaac W.

Captain I.W. Heysinger was a Civil War Captain in The 19th Cavalry of Pennsylvania. Captain Heysinger was in the Antietam and the Maryland and Virginia campaigns of 1862. After retirement Captain Heysinger developed a gravity knife, and was issued a Patent on the design in 1884.

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