Box: 1 1/2 in x 3 1/2 in x 2 1/4 in; overall: 5/8 in x 2 1/8 in x 3/8 in
This silver tie pin includes an LSI chip with 100 logic gates. This chip was at the heart of the FACOM-M Series of Fujitsu computers. The tie pin is inside its original box. The box includes a note in English and Japanese describing the significance of the chip.