British Antarctic Territory 1981 20th Anniversary of Antarctic Treaty 10p, variety WATERMARK CROWN TO RIGHT OF CA, SG99w.
Post Office fresh unmounted mint with full original gum example.
Very scarce watermark variety.
The Antarctic Treaty of 1961 is important historically as it was the first arms control agreement established during the Cold War. The treaty set aside Antarctica as a scientific preserve, provided freedom of scientific investigation and banned military activity on the continent.
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