One (1) M312C module with green board and a magenta plastic extraction handle attached by two rivets. The handle reads "digital" in raised letters on the solder-side. The board on the solder-side reads "DELAY MODULE M312C" along the right edge. "FLIP CHIP" is printed between the rivets on the component-side, "APR 6 1976" is stamped in black over it. There are two black inspection stamps on the component-side, one circle and one triangle. A repeating pattern of "AL" is printed on the board in red.