Auction # 2110 WORLDWIDE + ARGENTINA: End of Summer auction

MAY 1930 Asunción - New York: 2 Covers flown by Zeppelin, one with Paraguayan postage and the other one with mixed postage of Paraguay and Argentina stamps, both with special violet handstamps and arrival backstamp of New York 31/MAY. Only the cover with mixed postage bears a transit mark of Buenos Aires of 20/MAY, VF quality, interesting group!