Artillery model Colt Single Action Army, .45/c with 5-1/2" barrel. HN (Henry Nettleton) inspector marks on frame and guard. Right grip stamped 1903 over an illegible stadium cartouche (a rectangle with rounded ends, as opposed to an oval). Comes with 2008 Colt letter. This item can be shipped in-house.

See images for finish detail. Some cylinder play at all positions. Action is tight.