This is a B137 module with a green board and a blue plastic extraction handle, attached by two rivets. Between the rivets "Flip Chip" is visible. The components begin 3/4 of the way down the board. The module is marked by three inspection stamps, and "UCP" is printed several times on the board. "5-71 DIODE GATE B117 C" is printed on the solder side.
Digital Equipment Corporation (DEC)
Stamped in white on face of extraction handle
Stamped on reverse side of extraction handle between the manufacturer and place made