Printed in solder near the insertion end of the board.
Stamped into the front of the aluminum frame
Stamped on the side of the aluminum frame
overall: 1/4 in x 4 1/2 in x 7 in
The object has a green board surrounded by an aluminum frame and a blue plastic connector. On one side there are several components consisting of diodes, transistors, resistors, and capacitors of varying type. There are two round inspection stamps in the corner. On the solder side there is a lettered grid A-Z. The associated specs have been sent to archives.