Auction # 2419 WORLDWIDE + ARGENTINA: Special May auction

ZEPPELIN: Rare sewn bag-envelope containing samples without value, carried via Zeppelin from Sao Paulo (20/SE/1933) to Germany on the 7th flight of 1933, with interesting postage of 3,500Rs. (to pay the first rate for airmail sent overseas, because there were no reduced rates for these special services) + rare reduced rate of 300Rs. to pay the correct postage for a sample without value sent overseas in 1933 (the first regular rate was 700Rs. for airmail). On reverse it bears a green Friedreichshafen arrival mark of 29/SE, VF and extremely rare!