Labeled as "PWB NO." This number is silk screened on component side
Molded into J2 connector
Molded into J1 connector
Ink stamped on wiring side.
Labeled as "ASSY NO."
overall: 1/2 in x 11 in x 7 3/8 in
Board has a short ribbon cable attached to its outer edge connector. Some numbers from the ribbon cable connectors. One paper label on one IC. Some hand-soldered engineering change wires on wiring side.