Have you heard of V-mail?
By Kaye Phillips For Swiss Community Historical Society Facebook E-mail is a commonly used form of communication, but have you heard of V-mail? V-mail, short for 'Victory mail" was used during WWII to expedite mail service for the Armed Forces serving overseas. V-mail was put in place to reduce the space needed to transport mail and free up room to ship other valuable
Source: blufftonicon.com