This is a 4" trapper by John Lloyd . A2 hollow ground blade with crescent nail nick. Stainless steel liners and shield. 4" closed ,blade is 3-1/4" with 3" of edge . It opens to 7-/4" OAL. Smooth snappy action with a 5+ to 6 pull,I can pinch it open. Covers are whale bone 
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