Igor Sikorsky in his helicopter, 1913 55 c — Nicaragua, 1978
Igor Sikorsky in his helicopter, 1913 (Nicaragua, 1978), face value 55 c, “75th Anniversary First Powered Flight by the Wright Brothers” series. Photo…
- Series
- 75th Anniversary First Powered Flight by the Wright Brothers
- Issue date
- 1978
- Face value
- 55 c
- Colors
- Multicolor
- Yvert
- NI PA914
- Michel
- NI 2048
- Stanley Gibbons
- NI 2176
- Scott
- NI C945