Ink stamped on component side. Identified as "ASSEMBLY" number
On "J1" connector on attached ribbon cable
On "J2" connector on attached ribbon cable
overall: 1 in x 11 1/2 in x 7 3/8 in
Object consists of circuit board and attached ribbon cable. "EXTN MEM" is ink stamped next to "ASSEMBLY" on component side. There is one hand applied engineering change to wiring side. Nine empty IC sockets.