BULGARIAIssued: May 4, 1973.-
gray overprint.
Printed: 21500 units 1 Value ND IMPERFORATE Kind: Souvenir Sheet ( 1 value illustrated )
Distinctive sign: Overprinted
Printing method: offset Description : Same as 5630 BUL 1 BA but with grey overprint. Values informations :
5630 BUL 2 BA 1L polychrome and gold
Yvert : Bloc 40B Michel : Block 41
This is OUTSIDE of a Space Revue. Keyword(s) : #Satellite. Last modified: 04/05/2012 @ 11h54
Space chapter : VENUS 8 5630 BUL 2 BA Album Page : future
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