1962 Sc 2643-2644. Nuclear power on service to the peace. Scott 2625-2626

1962. Nuclear power on service to the peace.
Catalog numbers: Scott 2625-2626, Standard Collection 2643-2644, Michel 2638-2639, Yvert 2547-2548.
Issued on: August 15, 1962.
Perforation: comb 12½ x 12.
Printing: Offset lithography.
Size: 52 x 30 mm.
Color: Orange, dark-brown and yellow. Gray-dark blue, orange-red and black-brown.
Print run: 3,500,000; 3,500,000.