11th Jun, 2021 10:30 GMT/BST
1912 SG.373a 2½d Dull Prussian Blue lightly mounted mint slight gum disturbance. N21 (17). a scarce item ex Arthur Ryan. Cat £1200
Sold for £220
Estimated at £120 - £150
Auction: Stamps, Postcards & Postal History, 11th Jun, 2021
Stamps, Postcards & Postal History
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