Object is a board with various components, having 2 18-pin connectors on one side and 4 18-pin connectors on the opposite side. There is a piece of tape just below the stamped date.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Other number
134 E
Embossed on the side of one of the handles (solder side)
Other number
G104
Embossed on the front of each handle and on the solder side of the board
Other number
JUN 21 1972
Stamped on the component side of the board by the handle