Thank you for the warm welcome, please excuse my lack of computer knowledge, I am not sure how to get around the colt forum. I am an old former marine with some knowledge of colts. I have an interesting colt saa late black powder, silvered, hand engraved in new york style. ser. # range 146xxx It has a single numeral 5 on the loading gate which has me puzzled. I am hoping to put it in the gallery as soon as I qualify. So ya all can possibly help me determine what it means. I am hoping it is # 5 of ? thanks again luckyboat