1949 Sc 1343-1344 Birth Centenary of Ivan Pavlov Scott 1390-1391

1949 Birth Centenary of Ivan Pavlov
Catalog numbers: Scott 1390-1391, Standard Collection 1343-1344, Michel 1381-1382, Yvert 1376-1377.
Issued on: September 30, 1949.
Perforation: line 12½.
Printing: Photogravure.
Colors: Multicolor.
Face value: 40 Russian kopek; 1 ₽.
Quantity: 1,500,000; 1,500,000.