Sykes Patent bag-type Pocket flask with lanyard ring, for English pocket percussion revolvers and also low serial numbered British proofed Colt London Model 1849 Pocket percussion revolvers. The brass circular top is stamped SYKES/PATENT and the charger with fire-blued spring, has 1/4, 3/8 and 1/2 dram graduations. The bag-type body is stamped “SYKES”.