2444/4381
1870. PROOF. 3 sk. + 4 sk. grey/green. Pair with inverted frames. Imperforated and without water mark. UNIQUE AND ONLY KNOWN PAIR. Ex. Lasse Nielsen [ P17Dc,18Dc ] [ (*) ]
Auction
Stamps, 3 November 2024
Category
Estimate
Sold
Price realised
7 bids
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