Original Apple Monitor III, Model No. A3M0039, Serial No. B3E339456M, manufactured in Japan by Hitachi for Apple Computer in May 1983. Complete with its original box, which exhibits some wear and tape-repaired damage. Introduced in 1980, the Apple Monitor III was the first monitor released by Apple. It features a 12˝ green phosphor monochrome screen capable of displaying 24 rows of 80 characters.