This W102 module has a green board covered with several components. There is a beige extraction handle held in place by two metal rivets. Between the rivets on the component side there are three insection stamps, as well as the date May 1974 stamped on top of the words "FLIP CHIP" which are printed in solder.
Digital Equipment Corporation (DEC)
Stamped in black on beige extraction handle
Printed in white on top of round black components
Printed in silver on circuit side paralles to right edge