Super Mario Bros. Nintendo NES Game Only tested.

Super Mario Bros. [3 Screw] Nintendo NES, comes with sleeve, tested working.

Super Mario Bros. - NES Nintendo Game (5-screw variant)

Super Mario Bros. (Nintendo NES, 1985) - Cart Only

Super Mario Bros (Nintendo NES, 1988)

Super Mario Bros. (Nintendo NES, 1985) 5-Screw Variant, Cartridge Only, Tested

Super Mario Bros. (Nintendo NES, 1985) 3 Screw Tested Works Well

Super Mario Bros. (Nintendo NES, 1985) Original