An exceptionally rare prototype of Apple first foray into the portable computer with clear acrylic case, one of only six produced. This prototype was given to the consignor by Apple for her engineering work she did in helping to develop this model. Introduced in 1989 and discontinued in 1991, this model was not commercially successful, with a retail price over $7,100. No power supply, comes with the original carrying case. And rare chance to own a piece of Apple computers history. We have not been able to locate another example offered in the open market. Overall measures 4" h .x 15.25" x 14.5". Carrying case 6" x 16" x 16". Condition: No power supply, scratches to case, screen shows burn, battery residue inside. We highly recommend servicing and inspection before trying to boot up.