1882 HELVETIA. Quartina del francobollo da 3 Fr. (Yv. n.80).

1913 PIONEER. AARAU (I), official postcard (n.1) from Aarau to Zurich with 50c. airmail and 5c. Tell cancelled "START AARAU 6 IV 13 ...

1913 PIONEER. AARAU (I), official 50c. airmail stamp, NH.

1913 PIONEER. BASEL (II), 50 cent. airmail stamp and 5 cent. Tell on letter to Basel cancelled "ERSTE SCHWEIZERISCHE FLUGPOST 9.III.13".

1913 PIONEER. BASEL (II), 50 cent. airmail stamp on 5 cent. Tell postal stationery to Shiers cancelled "ERSTE SCHWEIZERISCHE FLUGPOST ...

1913 PIONEER. BASEL (II), 50 cent. airmail stamp, NH. Cert. Raybaudi (2001).

1913 PIONEER. BERN (III), 50 cent. airmail stamp on 5 cent. Tell postal stationery to Bern cancelled "ERSTE FLUGPOST 30.III.13 BERN ...

1913 PIONEER. BERN (III), 50 cent. airmail stamp NH. Cert. Raybaudi (1998).

1913 PIONEER. BURGDORF (IV), 50 cent. airmail stamp and 5 cent. Tell on official postcard to Sluwyg cancelled "1te FLUGPOST Burgdorf - Bern ...

1913 PIONEER. HERISHAU (V), c.50 airmail stamp on official postcard with 5c. Tell (2) to New York cancelled "SCHWEIZER FLUGPOST HERISHAU ...

1913 PIONEER. HERISHAU (V), c.50 airmail stamp on official postcard with 5c. Tell (2) cancelled "II SCHWEIZER FLUGPOST HERISHAU ...

1913 PIONEER. HERISHAU (V), c.50 airmail stamp NH.

1913 PIONEER. LANGNAU (VI), 50c. airpost stamp on postcard with 3 color franking cancelled "ERSTE FLUGPOST LANGNAU i E BERN 4.V.13". Sign. ...

1913 PIONEER. LANGNAU (VI), 50c. airpost stamp NH. Cert. Raybaudi (1998).

1913 PIONEER. LAUFEN (VII), 50c. airpost stamp NH. Cert. Raybaudi (2000) and sign. Sorani.

1913 PIONEER. BURGDORF (IV), 50 cent. airmail stamp NH, cert. Chiavarello.

1913 PIONEER. LIESTAL (VIII), 50c. airpost stamp on postalcard with 5c. Tell cancelled "I LUFTPOST LIESTAL - RHEINFELDEN 27.IV.13". Signed ...

1913 PIONEER. LIESTAL (VIII), 50c. airpost stamp NH. Cert. Raybaudi (2001).

1913 PIONEER. LUGANO (IX), 25ct. "Pro Aviazione Nazionale" airpost stamp on postalcard "Aviazione Militare Svizzera" with 5c. Tell ...

1913 PIONEER. SITTEN-SION (X), 50c. airpost stamp NH.

1913 PIONEER. SOLOTHURN (XI), 50c. airpost stamp, NH, corner sheet.

COLLECTION/SAMMLUNG. 1862/1949 thousand stamps in red stock dealer album including airpost stamps, Pioneers, League of Nations, Postal Due, ...