Netherlands 1929 PUC First flight, Sent via KLM by First Night flight. 149 items flown, 1st Return card Rotterdam to  London , 15 May 1929,  SG436, Mu # 84. cover franked with 1928, Flying Dove Coil 1c+ 2½ c + 4 c .  tied by cds black.  signed by pilot on reverse.  
 

Aegean Islands set of Air-Mail stamps #Mi157-163 mint stamps. (very light-hinged) CV€710.00  

German Reich stamps 1912 MI Airmail Forerunner MiNr; V  E.E.L.P. MH VF.

Cta- value € 900.

11927, Premier Salon International de l'Aviation et de la Navigation, Marseille
Cover bearing stamps with overprints: Bleriot & Poste Aérienne, Yv. #1-2 / Mi. #220-221. Registered mail with I2 Fr. and 5 F5 franking, tied with three Marseille first-day special event postmarks dated 25/6/27. The cover also features Par Avion and Mail Flugpost labels.

The cover was delivered to Bern, Switzerland, traveling from Marseille to Lyon. It arrived in Lyon on 26/6/27 and reached Bern on 27/6/27. Both postmarks appear on the back of the cover.

Lot of two 1912 Rhein/Main Airmail Flight covers –

1. June 17, 1912: Darmstadt (Sieger 12), white official postcard with the inscription "Sale of Official Postcards…", franked with a single 30pf green (Mi. III) and a 5fr Germania, tied by Darmstadt c.d.s. Very Fine.
2. June 16, 1912: 1m on 10pf "Gelber Huna" variety (Sieger 13c), used with 5pf single, both tied by individual strikes of "Flugpost am Rhein u am Main Darmstadt 19.6.12" large circular datestamp on a card bearing "Palais-Verwaltung Mainz."