post stamps Third Wor ld Youth Philatelic Exhibition Sofia May 23-30 bulgaria 1974

and or

1974-05-20

Third Wor ld Youth Philatelic Exhibition Sofia May 23-30

format 35,1x35,1 mm; perf. C 13; sheet 6x5; design St. Kanchev

1st.

Cosmic Research for Peaceful Purposes

copies 5 000 010

2st.

Salt Production

copies 4 000 020

3st.

Fire Dancers

copies 2 000 010

28st.

Russian Bulgarian Friendship

copies 230 010

* LC# - Каталог на СП "Българска филателия и нумизматика"
Mi# - MICHEL Briefmarken Kataloge
Sc# - Scott Postage Stamp Catalog

Complete set (4)

n.a. used

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bulgaria