Minsk, 20 roubles surcharge

draft
Size 25 x 24 mm.
Surcharged in black or violet on USSR and Belarus postage stationary envelopes, and on USSR envelopes without imprinted stamp.
20 r on 4 k (1976)
20 r on 5 k (1982)
20 r on 5 k (1988)
20 r on 7 k (1991)
20 r on 0.40 (r) (1992)
20 r on 1.00 (r) (1992)
20 r on envelopes without imprinted stamp
Periods of use:
1. From September to November 1993 for common letter to other countries of C.I.S.
2. From December 1993 to January 1994 for common letter inside Belarus.
3. Later, with additional postage.

© Yuri Vasiliev