An 1986 Apple IIGS Memory Expansion Card with one meg memory. Fully populated. Series 5 670-0025-A. Serial # G8827. This card was tested and removed from a working computer back in the late 90s. It has been in storage in our warehouse. We have no way of testing now but assume it to be working still. Memory board looks clean and in good shape, however No guarantee due to age. This is the last one we have.