This is a B105 module with a green board and a blue plastic extraction handle, attached by two rivets.. The components begin 1/2 way down the board. The module is marked by three inspection stamps, and "neLco" is printed faintly in red several times. "Inverter B 105 D" is printed on the solder side.
Digital Equipment Corporation (DEC)
Stamped in white on face of extraction handle
Printed in silver on reverse side parallel to lefthand edge
Printed in white on top of black rectangular component