This is a Vintage Military Stafco X-Ray Film Marker Set Federal Stock Number 6525-608-0620. The marker set is in a OD green steel box we have not counted the markers so we don't know the total number of pieces included. Th set was made by Stafford MFG. Co. in Brooklyn New York sometime between 1955 and 1974. The set has a Federal Stock Number. This number was used from 1955 to 1974. the set is in great shape. Please look closely at the pics the set you see is the set you will receive.