25 June 2000
unused Block Larger Than four 40c. scarlet and dull purple with handstamp in black, a block of six (3x2) with the centre stamp in the lower row showing variety handstamp double, fine mint. S.G. J186 var.
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Kept under wraps for almost a century, this superb collection comes into the light with its sale at Christie's in Paris on 30 October
The theoretical physicist’s PhD thesis, key papers, wheelchair and more, offered in a special online sale at Christie's