1919 (4 Apr) Miss Ruth Law card, with 4c franking tied by two triangular Aerial Mail Service cachets, another struck on front of the card, paper clip toning, otherwise fine (Image)

Est.$500

1925 (11 Sep) De Pinedo flight, Manila Sep.11, with appropriate cachet "Rome-Philippines-Tokyo", little toning, otherwise fine, scarce flight, signed Walter Brugmann (Image)

Est.$1,000

1925 (11 Sep) Corregidor to Manila flight by De Pinedo, cover franked with 4c carmine, straight edge at right, with "Via Pinedo's Flight Around the World" 12 Sep cachet, v.f., one of only 34 pieces of mail carried by Francesco De Pinedo on Rome-Australia-Japan-Rome flight, with Diena and Colla certificates (Sass.GP8e, cat. Euro 5,250) (Image)

Est.$2,000

1926 (13 May) Madrid-Manila flight by the Spanish Aviators Gallarzaga and Loriga, cover to Aparri, with appropriate cachet on both sides, v.f. (Image)

Est.$750

1926 (13 May) Madrid-Manila flight by the Spanish Aviators Gallarzaga and Loriga, cover to Aparri, with appropriate cachet on both sides, also "Via Primer Correo Aereo Madrid-Manila", v.f. (Image)

Est.$750