Many collectors would buy this stamp. Ivan Franko Astronomical Observatory, Lviv, 250 Years. Date of circulation start this postage stamp the fourteenth of September 2021 . This is a postage stamp catalog number Michel 1994. On postage miniatures Ivan Franko Astronomical Observatory, Lviv, 250 Years represented world-famous Ukrainian spaceships, astronauts and spacecraft engineers.
Information from the catalog Michel:
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