F.S.A.T. (1964) Sun*. Penguins*. Telecommunications towers*. Trial color proofs in margin strip of 5 with multicolor. International Quiet Sun Year. Scott No C6, Yvert No PA7. A spectacular item!
AVAILABLE AT $800
DAHOMEY (1967) Heliograph*. Mail boat*. Trial color proof strip of 3. Scott Nos J34-5, Yvert Nos TT37-8.
AVAILABLE AT $20