British Antarctic Territory 50p - Lincoln Ellsworth and Northrop Gamma 'Polar Star' Explorer 1979 MNH SG#77

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Second issue the Third tranche
Date of issue 11 December 1979
Ordinary paper
Perforation 14*14½
Watermark Ww14 'Multiple Crown CA diagonal'

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Condition: ** Mint Never Hinged

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Catalogue Numeration:
Stanley Gibbons No.: 77