DEC System-20 button
Digital Equipment Corporation (DEC)
overall: 3/8 in x 2 1/2 in x 2 1/2 in
Button reads, "1976 DECSYSTEM-20 IR100 COMPETITION WINNER DIGITAL's NEW DECSYSTEM-20 Cited by INDSTRIAL RESEARCH magazine as one of the most significant technical products of the year."
Ephemera/badge / button