Inlaid on the back of the extraction handle beneath the manufacuture
Stamped in white on top of the circular black components
Printed on solder side parallel to right edge
overall: 1/2 in x 2 1/2 in x 5 1/2 in
This W102 module has a green board with serval components. There is a beige extraction handle held in place by two metal rivets. There is one round inspection stamp over the left rivet, and the date "OCT 8 1972" is stamped over "FLIP CHIP" between the two rivets.