This W102 module has a green board which is covered in components. There is a beige plastic extraction handle, which is held in place by two metal rivets. Between those rivets there are three inspection stamps, one black and two blue, printed over the words "FLIP CHIP".
Digital Equipment Corporation (DEC)
Stamped in black on face of beige extraction handle
Inlaid on back of extraction handle beneath the manufacturer
Printed in white on top of round black components
Printed on solder side of module parallel to right edge