Inauguration of AM-5 flight Columbus
Postmark: Columbus, Ohio
Cachet: AM-5 – Jet Mail Service
Stamps: Two, including the US Stanley Gibbons 1249
Inauguration of AM-5 flight Columbus
Postmark: Columbus, Ohio
Cachet: AM-5 – Jet Mail Service
Stamps: Two, including the US Stanley Gibbons 1249