|Auction date:||Mon 9 Dec 2019 at 15:00:00 (Europe/Zurich)|
|Auction:||2019 December Auctions|
|Sold for EUR 190|
1926 International Navigation Congress (9.12) registered cover sent on First Day of the International Navigation Congress, franked 5m, 10m and 15m Congress stamps and a pair of First King Fouad 10m, the 15m has the loop of the “5” in “15” closed (the 10th stamp of every other pane, NP C16a), this cover is believed to be unique with this plate flaw.
Provenance: C. F. Hass