I just inherited a .25 Colt automatic. It has a 5 digit serial of 79XXX. On the side it says, "COLT'S PT F.A. MFG. CO. HARTFORD, CT. U S A" and beneath that it says, "PAT'D AUG. 25, 1896, APR. 2, 1897, DEC. 22, 1903, JAN. 25,1910" The handgrips are mother of pearl with a medallion of a colt set...