Draft swing-wing aircraft by Leonardo da Vinci 20 Pf. — Germany, Democratic Rep., 1990
Draft swing-wing aircraft by Leonardo da Vinci (Germany, Democratic Rep., 1990), face value 20 Pf., “Historic Aircraft; European airmail exhibition…
- Series
- Historic Aircraft; European airmail exhibition "Lilienthal '
- Issue date
- 1990
- Face value
- 20 Pf.
- Colors
- Multicolor
- Print run
- 8,000,000
- Yvert
- DD 2915
- Michel
- DD 3311
- Stanley Gibbons
- DD E3007
- Scott
- DD 2800