Sikorsky R-4 (1943) 100 лв — Bulgaria, 1998
Sikorsky R-4 (1943) (Bulgaria, 1998), face value 100 лв, “Helicopters” series. Photo, catalogue value, details and photo identification.
- Series
- Helicopters
- Issue date
- 1998
- Face value
- 100 лв
- Colors
- Multicolor
- Print run
- 400,000
- Yvert
- BG 3784
- Michel
- BG 4352
- Stanley Gibbons
- BG 4207
- Scott
- BG 4046