India
Incorrectly indicated as 'Air Post' by Yt.
| Country: | India |
| Type: | Postage stamps |
| Series: | 50th Anniversary of First Airmail Flight |
| Nominal: | 5 nP |
| Year: | 1961 |
| Size: | 29 x 34 mm |
| Perforation: | 14 |
50th Anniversary of First Airmail Flight
 First Aerial Postmark |  Boeing 707 & Humber-Sommer 0.45$ |  Pecquet Flying Humber-Sommer 0.25$ |