6500.00 "Antique" Rare "Tranter Patent" Double Action in 450/455 5-Shot Revolver w/Extractor - Trades Considered - Read Posting for Details/Options Saskatoon Mar 31, 2025 - 3:24 PM Bryman This is a nice example of a Tranter 1868 Double Action Revolver, one of the first mass produced English cartridge revolvers , patented in early 1868 by the famous Birmingham gun designer and maker, William Tranter.