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.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Other number
34528
Found printed in solder in the right corner opposite insertion end.
Other number
917
Hand written in far right corner on the solder side.
Other number
e2609
Handwritten in far right corner opposite insertion end on component side
Other number
M81968
Found in the left corner opposite the insertion end