$1.00 0n 15 cent Scarlet "No comma after POST" tied to ALCOCK AND BROWN flight cover addressed to Ireland. St. John's cancelled June 10, 1919, 3:00PM (the earliest known date), usual cover flaws including overall toning and vertical fold, still a fine example of this rare flight cover (197 carried autographed by the navigator Mr. Brown on July 15th 1939. Estimated by Eastern Auctions at US$1,500.00 +