The telegram, which mentions Glendale and Kansas City, may be related to Rickenbacker's transcontinental TWA flight carrying air mail, the last one for commercial airlines before the army took over transportation of air mail.
Telegram text reads: FRED ALLEN WILL COME WHEN NEEDED PLEASE LET ME NO HOW MUCH TIME I HAVE WHEN TRIAL COMES UP IF TRIAL CAN BE POSTPONED FOR A WHILE WIRE ANSWER AT ONCE SO I WILL KNOW WHAT ARRANGEMENTS TO MAKE AND HOW MUCH TIME I HAVE FAY SUDOW
John C. Porter, second from left, writes a telegram on a pad of cards, held by a postal worker on the right. He is among a crowd in the center of Memorial Coliseum, likely at a President's Day event.