C20-4, Complete Zeppelin overprinted set neatly tied by Buenos Aires 21 May 1930 CDS's on cacheted GRAF ZEPPELIN flight cover. Addr to famous philatelist Charles J. Phillips at the famous Mayflower Hotel in New York City. F. Has been signed by Roger Koerber and with a photocopy of 2006 Raybaudi Certificate (Sieger Cat 650 Euro) (Image)

Estimate 650.00+ $Cdn