Colt Intermediate Black Powder SAA (Mfg. 1876-1890, ser. no. range 22000-130000)
the italic style of lettering in the barrel address is changed to a block letter style in the 22000 range, the first two-piece hard rubber grips with eagle motif appear in 1882 and became the standard by 1888, the .44-40 (.44 WCF) caliber i...