Lot 61 POSTAL HISTORY - ZEPPELIN POST

1930 (May 22) Europe Pan America Round Trip Flight, Porto Alegre Brazil to New York on postcard of Port Alegre with Graf Zeppelin 5000r green USA Graf Zeppelin overprint in black, and 300r red defin tied SYNDICATO CONDOR LTD / PORTO ALEGRE 22 / MAI / 30 cancel with violet Europe Pan-American cachet, RECIFE CDS on obverse, mainly fine, Sieger 59 D.