SEMI-OFFICIAL AIRMAIL STAMPS
![Lot 4642](https://auktion.reinhardfischerauktionen.de/media/cache/lot_main/57/572544.jpg)
Lot 4642
Opening bid
150
€
1913, PRINCE-HEINRICH-FLIGHT 10. - 17. May 1913, picture postcard to the Landing Pforzheim 16. May, used, rare postage due stamp there without prepaid postage sends!
For lots of the clearance sale we accept underbids up to 30% starting price - if there is no higher bid!