New Guinea 1914-15 8d on 80pf black and carmine/rose, variety surcharge double, one inverted, SG26f.
A fine mint example with large part original gum.
The upright surcharge is from setting 10, position 2; the inverted surcharge is from setting 11, position 4.
A major British Commonwealth rarity
Accompanied with a Peter Holcombe Certificate of Authenticity (1993).
The Stanley Gibbons catalogue value is £8,000.
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