M81968 circuit board
This is a light green circuit board with several components. There is a small hole at the module's extraction end. On the solder side there is a faint inspection stamp in the middle.
Digital Equipment Corporation (DEC)
||Found printed in solder in the right corner opposite insertion end.
||Hand written in far right corner on the solder side.
||Handwritten in far right corner opposite insertion end on component side
||Found in the left corner opposite the insertion end
overall: 5/16 in x 3 1/4 in x 4 1/4 in
SAP Collection, Computer History Museum