The artifact is a two-sided printed circuit board with a double-sided 58 pin edge connector on the front edge. Four inspector stamps in black ink are on the solder side of the card.
Manufacturer
Xerox Data Systems, Inc. (XDS)
Identifying Numbers
Other number
11348
In pencil on pink adhesive dot, component side front left corner
Other number
ASSY NO. 158836
Printed in white, component side, front connector edge, on right.
Other number
CT 1
Printed in white, component side, front connector edge, on right.
Other number
PWB NO. 158835H
Printed in white, component side, lower right edge