Fully tested, Apple, platinum, 2 colour mouse for use on the original Macintosh 128K, 512K and Plus, the Apple Lisa, and the Apple IIc. Also the Apple II, II Plus and IIe when paired with a suitable mouse card. Manufactured in Japan. The platinum version was colour coded for the Macintosh Plus platinum edition but is functionally interchangeable with the earlier beige versions. This A-grade mouse is in very good condition though do to it's age, it may still have some mild yellowing of the plastic.