This copy of King Neptune's Adventure for Nintendo NES has been thoroughly cleaned and tested. There are remnants of a security sticker on the back of the cartridge as shown in the second photo.
Nintendo 64 System Bundle - N64 Starter Pak - N64 Starter Pak
Nintendo 64 Controller Official Nintendo Brand Authentic Refurbished
Original Nintendo NES System Bundle - NES Starter Pak - NES Starter Pak
Original Nintendo NES Controller - Refurbished