The object consists of a green board surrounded by an aluminum frame and a blue plastic connector. On one side there are several neatly arranged components consisting on transistor, capacitors, covered wires, and resistors of varying type. There are two round inspection stamps in the corner. The solder side contains a printed grid A-Z. The associated specs have been moved to archives.
Digital Equipment Corporation (DEC)
Printed in solder near the insertion end of the board