1852 (Dec. 12) Landstuhl, Bavaria To Jenners X-Roads, Pa., folded letter bearing Bavaria 9kr pair cancelled by "176" cancels for single letter rate to US via Havre Line, matching "Landstuhl 12/12" postmark, closed mails through Prussia, Havre (12.14) backstamp and carried on Havre Line Humboldt departing Dec. 24th to New York arriving Jan. 10th, black "New York '20' Jan 10" cds with integral 20¢ due, Very Fine. Estimate  $600 - 800. Under additional Articles to the 1847 Franco-Bavarian Convention, effective Nov. 1st 1850, France received a bulk rate payment of 1F20c per 30 grams for the postal services provided on prepaid letters sent from Bavaria to the US via the Havre Line. The total postage collected on such letters was 18 kreuzers per ½ loth. This amount was a combination of the 9 kreuzer Bavarian postage (which included any transit fees paid to the Prussian, Baden, or Thurn & Taxis Posts), plus the 9 kreuzer (30 centimes) portion due to France, and was sufficient to carry each letter only to the French port of debarkation (Le Havre). $0 (Image)