JAPAN (1960) Explorer*. Map of Antarctica*. 50th anniversary of Japanese Antarctic Expedition, overprinted MIHON (specimen). Scott No 708, Yvert No 660.
AVAILABLE AT $20
GERMANY (1981) Polar research station*. MUSTER (specimen) overprint. Scott No 1353.
AVAILABLE AT $15
GERMANY (1981) Map of Antarctica*. MUSTER (specimen) overprint. 20th anniversary of Antarctic Treaty Scott No 1362.
AVAILABLE AT $15
GERMANY (2001) Expedition vessels "Gauss" & Polarstern"*. Antarctic Explorations issue minisheet of 2 overprinted MUSTER (specimen). Scott No 2143.
AVAILABLE AT $40