Vintage and from an estate sale.  Only made for 2 years 1936-1937. Great pearlescent brown scales.  Marked HAMMER BRAND USA. Condition:  Great snap left at full open, half stop, and close.  Light signs of age only.  Some build up on the blade which should clean off.   It may have had a bail at one time.  See pictures. 2 1/4" including the loop when closed.  Double blade. Location D2-24