The hunter poses with his rifle slung over his shoulder. Note the ammunition belt he displays prominently.
The picture is framed by two painted trees in the landscape. The castles a bit incongruous, but such is the nature of painted backdrops. According to a rifle expert (Frank Graves), this is either a Winchester Model 1873 or a Winchester Model 1876 rifle. It is a cartridge rifle.
The case and mat and preserver are sixth plate size, made for images that are 3 1/4 x 2 3/4 inches. The tintype is a little smaller at 3 3/16 x 2 5/16 inches.
The mat is extra shiny. One diagonal bend at upper left corner. When tilted, lots of whitish residue spots are apparent. Most of this disappears with straight on viewing. The item "BLACK AFRICAN AMERICAN HUNTER & WINCHESTER RIFLE ON SHOULDER TINTYPE SHINY MAT" is in sale since Thursday, April 2, 2020.This item is in the category "Collectibles\Photographic Images\Vintage & Antique (Pre-1940)\Tintypes". The seller is "genest" and is located in Jamaica Plain, Massachusetts. This item can be shipped worldwide.