Germany: 1933 Chicago-South America Flight cover franked Chicago Zeppelin 1RM, Hindenburg 6pf & 8pf+12pf (3) booklet pane blk, tied by 'Berlin 14 10 33' cds. To Brazil with 2 flight cachets & Brazil b/s dated '18 OUT 1933', finally to Czechoslovakia. Sieger S238. The 1RM alone SG 510 cat £600+, Mi 496 cat €500+ both as loose stamp. (P)