JAPAN (1988) Sakurajima volcano*. International Conference on Volcanoes issue overprinted MIHON (specimen). Scott No 1795, Yvert No 1688.
AVAILABLE AT $25
JAPAN (1962) Sakurajima volcano*. Margin block of 6 overprinted MIHON (specimen). It was forbidden to distribute specimens in multiples. Expertisation mark on back. Scott No 758, Yvert No 709. Spectacular!
AVAILABLE AT $200
NIUAFO'OU (Tin Can Island) (1983) Volcano eruption*. Set of 4 self-adhesive stamps overprinted SPECIMEN, with attached tabs showing aerial map of island. Scott Nos 23-6, Yvert Nos 23-6. Hard to find!
AVAILABLE AT $35
JAPAN (1966) Crater Lake*. Zao National Park, overprinted MIHON (specimen). Scott No 875, Yvert No 831.
AVAILABLE AT $15