BW9-11     $85.00

1930 23 cent registered air mail rate to Switzerland. #'s 106,147, 151, C1 under-pay the 15 cent air mail & 10 cent registration by 2 cents. Cover went air mail from Montreal Aug. 23 1930 to New York, then by ship to Europe & then on to Bern. New York Aug. 23 1930 & Bern Sept.3, 1930 back stamps.