Auction #93 Worldwide Air Post stamps and postal history, Zeppelin Flight items, philatelic rarities of the World

AIRSHIP Z.R.3 LOS ANGELES FLIGHTS: 1924-25, 8 cards or covers, including First Germany - America Flight of 1924, 3 items representing Flights to and from Bermuda and 4 - to and from Puerto Rico, appropriate franking, cancellations and confirmation cachet, all arranged on 5 pages from a Collection, VF, Sieger #20, var, €1,010, Est. $400-$500