U.S.A. (1931) Wilkins-Ellsworth Trans-Arctic Submarine Expedition. Bergen to North Pole. Cover franked with Scott No 554, Yvert No 229. One 1« pence Great Britain stamp for return postage. Handstamp with illustration of a submarine. Opening cut-out on back. Nice combination!
AVAILABLE AT $90
HAITI (1958) Submersible exploring sea. Imperforate corner block of 4. International Geophysical Year. Scott No 427, Yvert No 387.
AVAILABLE AT $140
MONACO (1962) Williamson's photosphere. Trial color proof block of 4 with multicolor from corner of sheet. From "Man Under Water" exhibit at Oceanographic Museum. Scott No 523, Yvert No 593. Gorgeous!
AVAILABLE AT $60
MONACO (1962) Diving chamber. Trial color proof block of 4 with multicolor from corner of sheet. From "Man Under Water" exhibit at Oceanographic Museum. Scott No 525, Yvert No 595. Fantastic!
AVAILABLE AT $60
HAITI (1958) Emperor penguins. Submersible exploring sea. Satellite. Observatory. Proof sheet for M/S of 4. International Geophysical Year. Scott No C121a, Yvert No BF8. File crease and small thin on reverse.