This 1931 US envelope was sent via air mail from Salt Lake to San Francisco without postage. The design features a meter stamp and hand-stamped cancellation, adding to its unique appeal. The red color and aviation topic make it a great addition to any collector's postal history or stamp collection. The envelope is ungraded and uncertified, but its quality and authenticity speak for themselves. Don't miss your chance to own a piece of US postal history!

Meter No 13388= $0.04
Meter No 13389= $0.01

DB1.1. Model "H" (FV-5)

With five wavy lines inside the central oval.
"METER NO. (number)" in the bottom panel.
Meter numbers 10000-14771, 15000-15469, 15472, 15498-15499.
A. All lines in the frank, including the lettering, are generally of equal weight  [C]
B. The lines defining the first inner frame line and the oval are heavier than the other lines of the frank. [RR]