ARGENTINA (1954) Planting the flag in Antarctica*. Imperforate trial color proof. Scott No 621.
AVAILABLE AT $15
MONACO (1977b) Crew in arctic outfits*. Trial color proofs in strip of 5. Scott No 1076, Yvert No 1106.
AVAILABLE AT $90
MONACO (1977e) Building camp on ice*. Trial color proofs in strip of 5. Scott No 1079, Yvert No 1109.
AVAILABLE AT $90