VII World energy conference. WPC

VII World energy conference. WPC
Catalog #
3632
Date of Issue
1968 30 May
Denomination
6k
Color
Gold, orange, dark brown
Artist
Printing method
Intaglio
Perforation
Harrow 11½
Issued
4,000,000
Tags
Moscow
Description
VII World energy conference in Moscow. W. P. C. MIREK. C. M. E. Industrial structures.
continuation of the series. The beginning of a series, see 3306-3310, 3472-3473.


Postage stamps the same series: International scientific cooperation
IV international Congress on essential oils
IV international Congress on essential oils
Catalog #
3631
Date of Issue
1968 30 May
Denomination
6k
Color
Multicolor
Artist
Kominarec I.
Printing method
Intaglio
Perforation
Harrow 11½
Issued
4,000,000

VIII international Congress on mineral processing
VIII international Congress on mineral processing
Catalog #
3633
Date of Issue
1968 30 May
Denomination
6k
Color
Blue, dark blue, green
Artist
Kominarec I.
Printing method
Intaglio
Perforation
Harrow 11½
Issued
4,000,000
Tags
St. Petersburg

XIII international entomological Congress
XIII international entomological Congress
Catalog #
3634
Date of Issue
1968 30 May
Denomination
6k
Color
Golden, black, red-brown
Artist
Kominarec I.
Printing method
Intaglio
Perforation
Harrow 11½
Issued
4,000,000
Tags
Moscow Insects
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