POLONIA. 1921 (12-V). WARSAWA to PARIS. RAID VARSOVIA-PRAG-STRASBOURG-PARIS by the pilot LAULHE. 5 gr. and manuscript ´Perçu 1 Fr. 75 ...

POLONIA. 1923 (26 VIII). WARSAWA to KATOWICE. PIGEON MAIL. Small wrapper with the mark DEPESZA POLZTA GOLEBIA. RARE. (Mu. 13).

POLONIA. 1923 (24-VIII). WARSAWA to FRANCE. MISSION MILITAIRE FRANÇAISE / EN POLOGNE / AERONAUTIQUE 1.000 mk. (2) and 2.000 mk.

POLONIA. 1923 (10-IX). WARSAWA to FRANCE. MISSION MILITAIRE FRANÇAISE EN POLOGNE / AERONAUTIQUE 10 on 25 mk. (2), 25 mk. (2), 1.000 mk. ...

POLONIA. 1926 (8-X). WARSAWA to LWOW. 5 gr. and 25 gr. with 1 gr. orange Semi-postal stamp (Sanabria 10). Signed Bojanowicz.

POLONIA. 1924 (11-X). WARSAWA to BUCAREST. 3 gr. (2) and 10 gr. green Semi-postal stamp (Sanabria 11).

POLONIA. 1924 (14-X). WARSAWA to DANZIG. 15 gr. and 40 gr. with 10 gr. green Semi-postal stamp.

POLONIA. 1925 (19-II). WARSAWA to DANZIG. 30 gr., 5 gr. orange and 10 gr. blue Semi-postal stamps (Sanabria 18, 20).

POLONIA. 1925 (10-III). WARSAWA to DANZIG. 30 gr. Postal Stationery card with Air Mail Semi-postal stamp without value of (5 zt. red). RARE ...

POLONIA. 1925 (10-III). WARSAWA to DANZIG. 30 gr. and vertical pair of 5 gr. orange DOUBLE HORIZONTAL PERFORATION Semi-postal stamp ...

POLONIA. 1925 (1-IV). WARSAWA to DANZIG. 30 gr. and 10 gr. green pair with double vertical perforation (Sanabria 11).

POLONIA. 1925 (5-V). WARSAWA to DANZIG. 30 gr. and strip of three IMPERFORATE BETWEEN on two stamps Semi-postal (Sanabria 18).

POLONIA. 1925 (5-VI). WARSAWA to DANZIG. 15 gr. (2), 5 gr. orange and 10 gr. blue Semi-postal IMPERFORATE stamps (Sanabria 18a, 20a).

POLONIA. 1925 (24-VIII). WARSAWA to DANZIG. 10 gr. Postal Stationery card uprated 20 gr. and 1 zlt. violet Semi-postal stamp.

POLONIA. 1926 (12-IV). WARSAWA to LWOW to WARSAWA. 10+10 gr. double Postal Sationery card uprated 5 gr. and 15 gr. plus 10 gr. green pair ...

POLONIA. 1926 (18-VI). WARSAWA to LWOW. 10 gr. Postal Stationery card uprated 1 gr., 5 gr., 15 gr. and 50 gr. blue IMPERFORATE Semi-postal ...

POLONIA. 1926 (10-IX). TOKIO to WARSAWA. RAID of Captain ORLINSKI. Return Flight Postcard with 6 sen Japanese stamp. Signature of the pilot ...

POLONIA. 1926 (4-VI). WARSAWA to KANKAN (French Guinea). RAID WARSAWA-PARIS-TOULOUSE-CASABLANCA-DAKAR. 45 gr., 5 gr. and 30 gr. plus 30 gr. ...

POLONIA. 1926 (14-VII). WARSAWA to TALLINN (Estonia). RAID BALTIQUE DU COL. RAYSKI. 10 gr. green with special airmail mark. (Mu. 34).

POLONIA. 1926 (28-VIII). WARSAWA to TOKYO. RAID of Captain ORLINSKI. 3 gr. (2) and 5 zt. green Semi-postal stamp special for this flight.

POLONIA. 1926 (28-VIII). WARSAWA to TOKYO. RAID of Captain ORLINSKI. 3gr. (2), 1 gr., 25 gr. and 5 zt. green Semi-postal IMPERFORATE stamp ...

POLONIA. 1926 (19-X). VARSOVIA a KLESZCZELE. 5 gr. verde usado a lápiz y sello semioficial de 1 zt. rosa y lila. Mat. especial, ...

POLONIA. 1926 (19-X). VARSOVIA a SWISLOCZ. BALLON POST. 5 gr. verde y sello semioficial de 1 zt. rosa y lila. Mat. especial, transportada ...

POLONIA. 1926 (9-XI). WARSAWA to KRAKOW. 2 gr., 3 gr. and 25 gr. and 1 zt. on 5 gr. red brown Semi-postal stamp (Sanabria 32).

POLONIA. 1927 (31-VI). WARSAWA to LWOW. 3 gr. (2), 5 gr., 20 gr. and 5 gr. blue Semi-postal stamp (Sanabria 31).

POLONIA. 1927 (3-VIII). WARSAWA to DANZIG. 10 gr. violet Postal Stationery card uprated 10 gr. (2), 30 gr., 5 gr. blue and 1 zt. on 5 gr. ...

POLONIA. 1927 (10-III). WARSAWA to LWOW. 30 gr. and 50 gr. blue Semi-postal stamp (Sanabria 34).

POLONIA. 1928 (5-VIII). WARSAWA to LWOW. 45 gr. blue Postal Stationery card, uprated 5 gr. (3), 10 gr. red, 25 gr. green and 50 gr. blue ...

POLONIA. 1928 (309-IX). VARSOVIA a MALORYTA. BALLON POST. 5 gr. verde y sello semioficial de 1 zt. violeta y azul, transportada por el ...

POLONIA. 1928 (30-IX). VARSOVIA a MALORYTA. BALLON POST. 5 gr. verde y sello semioficial de 1 zt. violeta y azul SIN DENTAR, transportada ...