to his student for . On August 18, 2022, the only known Apple I prototype in existence, dubbed Production Prototype Computer A, sold on RR Auction for over (roughly 200x the original Apple I price adjusted for inflation), after nearly a month on auction. The prototype is heavily damaged—having been split down the near-middle—and only the left-hand portion (bearing the "Apple Computer A" marking) survives. This prototype was thought lost for nearly 40 years, surviving in only several Polaroids taken by Paul Terrell, whose Byte Shop computer outlet was the first to stock Apple I in 1976. Terrell signed on to order shipments of the Apple I after viewing this prototype, which is said to have been hand-soldered by Wozniak. Serial numbers Both Steve Jobs and Steve Wozniak have stated that Apple did not assign serial numbers to the Apple l. Several boards have been found with numbered stickers affixed to them, which appear to be inspection stickers from the PCB manufacturer/assembler. A batch of boards is known to have numbers hand-written in black permanent marker on the back; these usually appear as "01-00##". As of January 2022, 29 Apple-1s with a serial number are known. The highest known number is . Two original Apple-1s have been analyzed by PSA, Los Angeles, concluding the serial numbers had been hand-written by Steve Jobs. Museums displaying an original Apple 1 Computer United States American Computer & Robotics Museum in Bozeman, Montana Computer History Museum in Mountain View, California Computer Museum of America in Roswell, Georgia Smithsonian Museum of American History in Washington, DC Living Computers: Museum + Labs in Seattle, Washington System Source Computer Museum in Hunt Valley, Maryland Australia Powerhouse Museum in Sydney, New South Wales Germany Heinz Nixdorf MuseumsForum in Paderborn (working condition) Deutsches Museum in Munich (working condition) United Kingdom Science Museum, London in London, United Kingdom South Korea Nexon Computer Museum in Jeju Island, South Korea Switzerland ENTER Computer Museum in Solothurn, Switzerland (ONLY the case is visible. It is unknown if an original Apple-1 is really inside. No picture of the Apple-1 can be found there.) Clones and replicas Several Apple I clones and replicas have been released in recent years. These are all created by hobbyists and marketed to the hobbyist/collector community. Availability is usually limited to small runs in response to demand. Replica 1: Created by Vince Briel. A software-compatible clone, produced using modern components,