Early pre-war Hammer Brand cigar pocket knife.  Only made for 2 years 1936-1937. Great GENUINE JIGGED BONE scales.  Hammer Brand model 2423. THE ONLY ONE OF THESE LISTED JUST ABOUT ANYWHERE!! Condition:  All bolsters are in great shape.  Still has its badge.  No cracks or chips in the scales.  Both blades open and close.  No snap left.   See pictures. 3 1/4" total length when closed.  Double blade. Location D2-39