Briefmarkenausstellungen
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Deutschland, Michel 112, mit Falz
1926. Deutsches Reich 40 Pfennig Deutsche Flugpost IX. Leipziger Briefmarken- Händlermesse im Centraltheater 7. - 9. März 1926. Interesting private overprint.
Deutschland, Michel 223, Postfrisch
1926. Deutsches Reich 500 Mark X. Briefmarken- Handler-Messe Leipzig 5.-7. September 1926. Interesting private overprint.
Grossbritannien, Postfrisch
1934. INTERNATIONAL AIR POST EXHIBITION LONDON 7-12 MAY 1934.
Österreich, Postfrisch
1933. WIPA. INTERNATIONAL PHILATELIC EXHIBITION VIENNA 1933.__
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, mit Falz
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, Postfrisch
1916. USA.NATIONAL PHILATELIC SOCIETY 4TH CONVENTION LYNN MASS JULY 20-21-22.
USA, mit Falz
1934. USA. Trans-Mississippi Philatelic Exhibition and Convention October 8th to 14th.
USA, mit Falz
1934. USA. Trans-Mississippi Philatelic Exhibition and Convention October 8th to 14th.