Offered here is a S&W Model Number One 1st Issue 2nd Type revolver which features the rare "bayonet" or flat spring barrel latch found only on the first approximately 1,130 Model Number One 1st Issue revolvers (1st and 2nd Type). The revolver also has the revolving recoil plate attached to the frame. The barrel rib has the one-line address, the cylinder has the 1855 patent marking, and matching serial numbers are on the butt, both grip panels, barrel and cylinder. Accompanying this rare revolver is an equally rare S&W gutta percha case with decorative relief lid showing an image of a No. 1 revolver and "MANUFACTURED ONLY BY/SMITH & WESSON,/SPRINGFIELD MASSACHUSETTS". The inside of the lid has decorative red wine velvet and the case contains an empty cartridge block.