Liberia

Date1973, 14 XII
Value10, 15 c
Catalog no.Mi 896 -901, BL69   Sc 653-658  SG --   Y&T 623- 628, BF68
TopicCopernicus, Nicolas
OccasionCopernicus born 500 years ago
DescriptionOn all stamps inscription: 500TH ANNIVERSARY OF NICHOLAS COPERNICUS 1473-1543 and Copernicus portrait. On 1c: tracking station and armillary sphere, on 4c: simplificied solar system, on 10c: Aristoteles, Ptolemeus and Copernicus in a fancied discussion. Above them satelites from the 20th century, on 15c: Skylab, on 20c: astronomical observatory in orbit, on 25c satellite tracking station, on 55c: future orbiting station around Mars.