2171 Germany: 1930 Zeppelin South America flight card franked 2RM tied by "Luftschiff 19 5 1930" cds, with red pictorial cachet. To Brazil with Rio de Janeiro oval plane pmk & Condor Syndicate Airmail cds. VF. SG 456 cat £350 as loose stamp alone, Mi 438 cat €650 on flight cover. Sieger 57E retail €500. (P) $230 $300
2172 Germany: 1930 Zeppelin South America flight cover franked Sth America flight Zeppelin opts 2RM & 4RM (2) tied by "Friedrichshafen 18 5 30" cds, with air label & special cachet in red, plus Lakehurst pictorial pmk in green on reverse. VF. Sieger 57N. Mi 438-9 cat €800; SG 456-7 cat £1050, both as loose stamps. (P) $500 $700
