1863 (Jun. 5) St. Louis Mo. to Aarau, Switzerland, light yellow cover bearing 3¢ rose (65), nat. s.e. at left, and 30¢ orange (71) tied by bold "St. Louis Mo. Jun 5" duplex, black "New York '6' Jun 9" debit exchange cds and red "Short Paid" framed handstamp, manuscript "2" for double weight, carried by Cunard Line Asia from Boston Jun. 10th to Queenstown arriving Jun. 20th, red French (6.22.63) transit cds and Aarau (6.23) arrival backstamp, red crayon "220" due rating; 3¢ upper right corner flaw, a Very Fine and interesting short paid use. Estimate  $400 - 600. Cover was prepaid 33¢ for the Prussian Closed Mail rate but sent by French mail. It was rated at the 42¢ French mail double weight and therefore short paid and treated as totally unpaid. $0 (Image)