This Colt manufactured slide lock safety plunger is for the later model 1908 Hammerless Vest Pocket semi-auto pistol in 25 ACP caliber and is in very good condition exhibiting a dark grayish brown patina with honest wear. (file photo)

Note: Colt model 1908 Hammerless Vest Pocket pistols with the following serial numbers have been observed with this part: 222749, 278592, 338825, 372705 & 379259