Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - 1930, First Flight of Graf Zeppelin to South America, 2m ultra and 4m brown, text at top left reads: ''1.Sudamerika Fahrt'', complete set in top right corner sheet margin imprint blocks of four, both with vertical Network watermark, full OG with just minor waves on margins only, NH, VF and rare multiples, C.v. $10,800, Michel #438X- 39X, C.v. €16,000, Est. $6,000-$8,000, Scott #C38-39