This Bullet Knife best known to be the Fisherman’s Knife is also known as a “Tickler”. Its an American clasp knife, introduced in America in the 1890s, which looks very similar to the Southern European clasp knife or “navaja”.

Many knife companies made this pattern, but the Bose patterned theirs off of the 1920s Remington Bullet.

Remington made this pattern in bone, the R-1613….and one in a candy striped celluloid, the R-1615…both had a hook disgorger.

As models go the shield make all the difference. The R-1613 had a Bullet Shield, but there is also the same knife with a round shied that represented a base of a center fire cartridge. And then there are those models that had no shield at all. Even a two bladed model was made with a saber grind master blade and a pen blade. (BackGround thanks to Levine’s Guide)
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Here is a scan of a round shield "UMC" fisherman’s knife…(Union Metallic Cartridge)

The one with the Bullet shield is a tad rare. I would like to see one one day… if you do have one I hope you know its value.
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Below is the T.Bose version of the R-1613 Bullet in Antique Remington Bone.