Brazil Zeppelin Flight 1930: Rio de Janeiro to New York flight on May 24. Rio de Janeiro, with transit marks in Recife on May 28th, 1930, featuring a special cachet. Envelope franked with the Universal Postal Union (UPU) letter rate of 300 Rs for surface mail, and an airmail Graf Zeppelin stamp, especially used for correspondence to Europe, at a rate of 10,000 Rs. This envelope was sent by dealer F.W. vom Meister, an official Zeppelin agent in the USA, identified by the 5-digit stamp on the front cover.