1934 ( May 26-29), 1st SAF cover to Brazil, franked by five air post stamps, tied by Sofia special ds, red Berlin C2 Luftpostamt transit, Friedrichshafen ''26.5.34'' connection, Flight cachet in red and Pernambuco ''29.V.34'' receiver, VF, Sieger #247, Est. $250-$300 (Image)