This Colt Police Positive serial number 384282 was shipped to the Bob Smith Sporting Goods Company in Boston Massachusetts. The date of shipment was November 28th, 1938 and the date of Manufacture was November 22nd 1938. It was on Colt Factory Order #8198 and was in a 23 gun shipment.
This Colt is Factory Engraved "B.S.D. & Tr Co 1" on the butt of the revolver. These pistols were ordered for the Boston Safe Deposit and Trust Company.