Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Vatican City - 1931 (June 11), FFC Rome - La Valetta, three-country franking cover of Vatican City 20c violet on lilac network and Italy Virgil 1L orange, appropriately cancelled, marked ''T'' upon arrival to Malta and Postage Due stamp of ½p green was applied, mostly VF and rare, 56 items were carried and a few bearing Due marking, Est. $250-$300, Scott #3