# C86 (1973) Electronics - PB, LL #34192, MNH

# C86 (1973) Electronics - PB, LL #34192, MNH

Regular price $0.75 Sale

US 1973
PROGRESS in ELECTRONICS
 De Forest Audions
Airmail Issue
C86
Perforated 11
Lower Left Stamp Plate Block - #34192
Mint Never Hinged