Serious Apple prototype collectors usually know exactly what they are looking for as they try to build a physical timeline of each distinct device ever made. A Holy Grail artifact would be an Apple I. Fewer than 50 are said to exist.
Hap Plain wants the pieces none of us, including him, have ever seen.
He is one of a very select subculture who search the world over for Apple prototypes. Before being polished into the personal computing icons of our lives, Apple computers, iPods, iPhones and other devices start out as crude, unfinished test models so glitches and user experience hangups can be identified and worked out before hitting the market.