American space travel - 8 stamps mint never hinged, catalog no. 1319-26, Paraguay

On April 25, 1984, unperforated parallel editions of "American Space Travel" appeared in Paraguay. The eight stamps in the set differ from the perforated version in that they have a different color scheme. The circulation is 8,000 sets, catalog no. 1319-26.
The imperforate stamps in this set differ from the perforated version: 0.15 G, blue instead of brown; 0.25 G, light brown instead of purple; 0.30 G, yellow olive instead of turquoise blue; 0.40 G, dark blue-green instead of light red; 0.50 G, light red instead of dark blue; 12.45 G, orange instead of turquoise green; 18.15 G, dark green instead of dark blue and 50.00 G, violet instead of red-violet.