Summary of the Pre-64 Puma White Hunter (6377)The knife shown on your screen is a highly collectible Pre-1964 Puma White Hunter (Model 6377). Because it lacks the 5-digit production/date control code on the guard (which Puma introduced in late 1964), it is designated as a "Pre-64" model. Current Market Value (2026 Evaluation)While pristine, "New Old Stock" (NOS) Pre-64 model can climb toward $900 – $1,000+, your specific knife is uncleaned and shows honest patina The blade verbiage is stamped instead of acid etched. The leather throng on the sheath is particular to this variant. And the handle is Indian Sambar Stag Antler.