Corinphila Auction 291-297 Day 5

1918/36: Fine group of 25 covers/cards starting with envelope from Span. Morocco Larache to Madrid bearing inverted CORREO AERO ovpt. in red on 25 c. blue, Hungary 1934 Budapest-Debrecen flight franked with Liszt miniature sheet, letter of first Austrian Airmail connection Krakow-Vienna (1918), 1923 envelope from Warsaw to Austria via Paris distribution as well as some Zeppelin flights with four items of 1931 Hungary flight franked with Zeppelin stamps as well as 1938 Hindenburg Olympia flight.