Stamped into the bottom right corner on the component side
Stamped in black on the side of each box
Stamped into the botton left corner of the the component side
Stamped along the bottom component side edge
Stamped into the top right corner of the component side of the board.
Printed on the solder side of the board
overall: 3/8 in x 2 5/8 in x 4 1/2 in
The object consists of nine 484803 IBM 1620 modules. Each module has a hand written pencil label numbered A1B109-A1B115 on the component side at the insertion end. One original box has been kept for reference. "INVENTORY ITEM USAGE MUST BE RECORDED" is printed on the front of the box.