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Very early, complete Apple II (Rev. 0) logic board (green), 14.25˝ x 8.5˝, featuring the "Apple Computer, Inc." logo with a copyright date of 1977, hand numbered in the corner in green felt tip: "1-141." No revision number is printed within the 6502 socket, which is complete with its Synertek M0S 6502 microprocessor, marked with date code "7719." This is the earliest known production Apple II board to come to auction. In fine to very fine condition, with a modification made to the board between the fifth and sixth card slots.
The early success of the Apple-1 in 1976 paved the way for the introduction of the Apple II in the spring of 1977. In Apple’s 1980 IPO prospectus, the company described its progress: ‘In April 1977 the Company introduced the Apple II computer mainframe which was similar to the Apple I but incorporated additional circuitry and a keyboard, and was packaged in a plastic housing.’ In other words, the Apple II built upon the Apple-1 to become an even more capable, more consumer-ready machine. Between 1977 and 1980, on the sales of the Apple II and its peripherals, accessories, and software, Apple Computer’s yearly revenue grew from $774,000 to $118 million, making it one of the great growth stories of Silicon Valley.