The object consists of a green board surrounded by a silver frame and a blue plastic connector. On one side there are several rows of components. The top row contains nine resistors. Then there are two rows of black transistors, which total nine. Below the transistors there are nine larger resistors. On the solder side there is a lettered grid A-Z.
Digital Equipment Corporation (DEC)
Printed in solder near insertion end
Stamped into the face of the face of the aluminum frame