The market for CIB (Complete In Box) games is particularly strong for older cartridge games from the start of the medium to the N64; many collectors are not content with just the game itself but want its box and manuals as well. (hoogrambles.com)
I mainly focus on old cartridges and cassettes when I'm at Retro Gathering. (retro-video-gaming.com)
Instead of ripping the guts out of old SNES games — which would have removed several old cartridges from circulation and led to a product of questionable quality — Piko used cartridges manufactured from brand new materials. (retrovolve.com)