Stampless Folded Letter Sheet (FLS), red "NEW YORK/22/MAR/5 cts." CDS, 1849.

Blue letter paper (preprinted "THE AMERICAN EXCHANGE BANK / NEW-YORK, -------- 184--") with internal contents addressed to "Jno Clark Esq. Jr. Great Falls Manuf. Co. Boston Mass".   Header reads "March 22 1849".   This is a letter written from J.J. Fisk, Cashier, discussing banking business (61 notes for collection).   Docketing on back flap "J. J. Fisk Cashr. March 22 '49"

See scan(s) and good luck!