Midway Playtime Etched in copper on top of board PC 577-903 PLAYTIME MIDWAY MFG APRIL 25 1975 was stamped on the front 3007 was hadwritten on the front 00040 was handwritten on the back No ROMS found Board had lots of chip removed 8 pin @ A9 14 pin @ A3, A2, A0, D2, D1, D0, F1, H2 and L0 14.315200 Mhz crystal