Printed within substrate, left-edge of solder side
Incised on one connector, solder-side
Handwitten within substrate, bottom-left corner of solder-side
Printed in white on each of the four connectors, component-side
overall: 3/8 in x 7 in x 4 1/2 in
The object consists of one (1) logic module with four, black plastic connectors along the left side, each marked "4160881 A O 464 TI." The substrate is covered by a gridded field of square-shaped solder marks. The component-side is covered by eleven silver-tone, square, IBM components; four red-orange components; and eight black components marked "951." A "parts identification" card is extant and remains with the object.