Fox (Charles James, statesman, 1749-1806) Autograph Letter signed to Sir Francis Vincent,½p. with address panel on verso, Arlington Street, Thursday, March, [c. 1804-06], asking him if he has any appointments at the office that day because if not he will come in late, and to send Mr Weld to him at home should he come by appointment", remains of wax seal, folds, browned.