Amsterdam - New York - Providence 1809 Folded Letter with Napoleonic War Content. Reference to "The continued detention of American ships…" possibly causing delay to letter due to Anglo - Austrian alliance against Napoleon. Vessel managed to clear Amsterdam just before the French army entered Vienna. A precursor of the grievances which ultimately led the United States to declare war against Great Britain in 1812, Very Fine. Estimate  $100 - 150. $0 (Image)