On sticker found on plastic of handle on solder side.
Stamped ion solder side
overall: 2 1/2 in x 5 1/2 in
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".