1960 Sc 2336 Day of the radio. Scott 2321

1960. Day of the radio.
Catalog numbers: Scott 2321, Standard Collection 2336, Michel 2343, Yvert 2280.
Perforation: comb 12 x 12½.

Colors: Multi-color.
Printing: Offset. Comb perf.

Print run: 2,000,000.