Electonic mail sorting (Soviet Union, USSR 1977)

16 November (Soviet Union, USSR ) within release Postal service goes into circulation Stamp Electonic mail sorting face value 4 Russian kopek

Stamp Electonic mail sorting in catalogues
Michel:	Mi:SU 4673

Stamp is square format.

Also in the issue Postal service:

• Stamp - Postal collection face value 4;
• Stamp - Electonic mail sorting face value 4;
• Stamp - Postal transportation face value 4;
• Stamp - Postal delivery face value 4;
• Stamp - Postal service face value 4;