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
MONACO (1966) Precontinent III submarine station*. Trial color proofs in strip of 5. Cousteau's underwater village project. Scott No 645, Yvert No 705.
AVAILABLE AT $100
MONACO (1984) Auguste Piccard's Bathyscaphe*. Full sheet of 30 trial color proofs. Scott No 1434, Yvert No 1428. Spectacular!
AVAILABLE AT $400