1966 Sc 3295-3300. Tourism in USSR. Scott 3226-3231

1966. Tourism in USSR.
Catalog numbers: Scott 3226-3231, Standard Collection 3295-3300, Michel 3241-3245, 3262, Yvert 3124-3129.
Issued on: July 20, 1966.
Perforation: comb 12½ x 11¾.
Printing: Offset lithography.
Size: 42 x 30 mm.
Colors: Multicolor.
Face value: 1 Russian kopek; 4 Russian kopek; 6 Russian kopek; 10 Russian kopek; 12 Russian kopek; 16 Russian kopek.
Quantity: 5,000,000; 4,000,000; 4,000,000; 3,000,000; 4,000,000; 3,000,000.