KEY, Francis Scott (1779-1843). Autograph letter signed ("F. S. Key"), to Mr. William Taylor. Georgetown, 23 December 1815. 1 page, 4to, addressed in holograph on verso, seal tear and hole causing loss of a few letters, light toning at folds, minor chipping at edges, one fold crossing signature, wax seal stain and remnants affecting one letter on recto, docketed on verso. Regarding a disagreement over payment in a case between his client and the recipient: "He declines doing it, saying that he thinks it has been paid - & that your Bill-book (he thinks) will show you that he paid a d[ra]ft or bill on ac[coun]t of it long ago"