Cartridge pins have been professionally cleaned. Good to last another 30  + years. Item is also tested, plugs in and plays just like you bought it off the shelf. Has some faint indented writing shown on the cartridge. For sale is a NES Nintendo Cartridge featuring three classic games - Super Mario Bros., Duck Hunt, and World Class Track Meet. This cartridge is clean and fully functional, providing hours of nostalgic entertainment for gamers of all ages. It comes with one game unit, ready to be played on your NES console. The games are in their original form and have not been modified in any way. This cartridge is a must-have for any retro gaming enthusiast or collector.