three folded letters, first December 24, 1801 folded letter from Havana, Cuba with black "New-York Jan 8" clamshell postmark and manuscript "Sh 14½" rate; second January 12, 1802 folded letter from Amsterdam, Netherlands with red "New-York Mar 27" clamshell postmark and manuscript "Sh 52" rate; third April 27, 1802 folded letter from Bordeaux, France with red "New-York Jun 10" oval and manuscript "Sh 27" rate, very fine trio of covers with different origins, markings, and rates