1954 Sc 1691 Pulkovo Observatory Scott 1722

1954. Rebuilt Pulkovo Observatory.
Catalog numbers: Scott 1722, Standard Collection 1691, Mi 1724, Yt 1704.
Issued on: July 26, 1954.
Perforation: line 12¼.
Printing: Lithography.
Colors: Multicolor.
Face value: 40 Russian kopek.
Quantity: 1,500,000.