This is a B167 module with a green board and a blue plastic extraction handle, attached by two rivets. The component side is faintly marked by three inspection stamps. Marked in red throughout the module are the letters "AL". There is a sticker on the solder side reading, "DEC 87 8125840 cs".
Digital Equipment Corporation (DEC)
Stamped in white on face of extraction handle
On sticker found on plastic of handle on solder side.