This Colt manufactured second variation blue finished slide is for the model 1908 Hammerless Vest Pocket semi-auto pistol in 25 ACP caliber and is in good condition exhibiting a mixture of thinning original blue finish with a gray patina and a few specks of surface rust staining. Second variation slides have the "Jan. 25. 1910" as the latest patent date on the left side. (file photo)

Note: Colt model 1908 Hammerless Vest Pocket pistols with the following serial numbers have been observed with this 2nd variation slide: 58366, 91759, 98889, 121759, 135203, 222749 & 278592