1961 SC 2539-2541. Study, work and live in a Communist way! Scott 2530-2532

1961. Study, work and live in a Communist way!
Catalog numbers: Scott 2530-2532, Standard Collection 2539-2541, Michel 2537-2538, 2553, Yvert 2463-2465.
Perforation: Comb. 12½ x 12.

Colors: Lilac and red. Brown and red. Dark blue-violet and red.
Printing: Offset lithography.

Print run: 3,500,000; 3,000,000; 3,000,000.