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Prev:
Wolfram von Eschenbach
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wolfs head coin
wolframite
Short desc: wolframite
Things in this design:
mineral
wolframite
This design is used by 2 stamps:
(See all uses as list)
Portugal 9/24/1971 1e issue=Economic Geology Congress dt=minerals (1971 Portugal) perf=12
China, PRC 8/25/1982 20f issue=Minerals 1982 dt=minerals (1982 China, PRC) perf=11.25x11
Record of changes
