: Look for the official PlayStation-branded pull-tab or clear circular stickers that haven't been tampered with.

: A factory-sealed North American model, often found with a VGA grading for serious collectors. Sony PlayStation 2 Slim (SCPH-77001) - Satin Silver

: Dust accumulation and "dirt lines" that stop at the box flap can indicate the box has remained closed for decades.

systems are often found on peer-to-peer marketplaces and specialty retro retailers.