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Layaway Policies

We offer a layaway plan on select products so you may pay for your order over a period of 60 days. Products that are eligible for layaway will show "Layaway Available: Yes" on the product page.

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Example: Your order total is $300 plus $12.75 shipping and handling. If you select the layaway option, your payments would be:

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  • $100.00 (1/3 of purchase = $100)
  • $100.00 (1/3 of purchase = $100)

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Cancellations of layaway orders are subject to a restocking/processing fee of 10% of the order total (not including tax and shipping costs). This restocking fee is in addition to the $15 non-refundable layaway fee.

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Home Products Rare Antique Gravity Knife

Rare Antique Gravity Knife

by Heysinger, Isaac W.

SKU 1067095

Date Added 08/17/2023

# Available This product is out of stock

Original price $995.00

Price $575.00

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Overview

Antique 1884 Novelty Mfg Co Captain Isaac Winter Heysinger Gravity OTF Knife This Is One The Oldest & Rarest Gravity Knife You Will Ever See. A True Part Of US History. After Retirement Captain Isaac Winter Heysinger of Pennsylvania's 19th Cavalry developed a gravity knife. Nov 11 th. 1884 I.W. Heysinger was approved and issued a Patent on the design Blade is Tang Stamped" NOVELTY NOV 11,84" The original Heysinger models were larger from the 1880's then in the 1900's a smaller model was produced. Not to be Confused with the (Novelty-Cutlery-Co) from Canton, Ohio that made Clear Handle Ad Knives. Some people will suggest it is stamped this way because it was produced by this company but this is untrue. You might want to save a picture of it, as the only pictures any one has ever seen of this knife is on the drawings shown on the patent. The knife has a steel frame and black wood handles. The knife was made so that the blades could be easily changed. The patent lists five different styles of blades. I.W. Heysinger was a genius with this model for sure. Pat No. 307,767 Nov 11 th. 1884 Captain I.W. Heysinger was a Civil War Captain in The 19th Cavalry of Pennsylvania. Captain I.W. Heysinger was in the Antietam and the Maryland and Virginia campaigns of 1862. Has some scratches, patina, has been sharpened. Good condition for its age.

Product Details

Blade Length 3.375

Overall Length 8.75

Closed Length 5.25

Weight (oz) 3

Source Previously owned

Additional Specs

Blade Material Unknown

Blade Details Drop Point

Handle Material Metallic, 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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