hello Ross,its a SMITH & WESSON,NUMBER 2 ARMY,MADE IN 1861,one of the first black powder metalic cartridge revolvers to come on to the market,,due to the civil war s/w could not keep up with the demand,,they were widely copied by american companys also copied in france and belgium,,the british ran the blockades to supply the south with copied arms due to their interests in the cotton and slaves markets.,,,,this is a genuine 32 rimfire early s/w,gen george armstrong custer bought two,,wild bill hickok was carrying this model when he was murdered in deadwood aug 2 nd 1876,,it has a huge provenance due to the famous people that used them,,,,,,,,,,,,,,,A grand will take it.