Serial # is 9256XXX. I understand it was inside a VA police dept it's overall lifestyle and I think it was produced all-around 74-seventy five timeframe. No extra engraving or markings from dept, selector marked safe-semi-automobile. Hope that assists the databases Tony. In the event you stumble throughout any information https://coltcombatelitedefender78862.total-blog.com/the-basic-principles-of-gold-cup-trophy-colt-45-56554481