hello
as far as I know, it seems to be an early production 1862. BuT I think that Jay "ll be more accurate. Concerning the front sight go on vtigunparts site where you can order front sights of replicas or have a look on my post (strange front sight) and if you want I can send you more photos.
amicalement
Thierry
http://www.vtigunparts.com/store/shopdi ... +Stainless
PS: send a photo, it's always interesting.