This sheet commemorate some of the pioneers of space history:
Alan Shepard and Mercury 3/Freedom 7
Neil Armstrong and Apollo 11
Sally Ride and Space shuttle Challenger
This is a set of five progressive proofs comprising four individual colours plus one full colour composite. All these sheets are imperforated. Only 10 sets printed in this proof format !
The stamps are in perfect MINT NEVER HINGED condition.Large image.
More space on stamps here.