Son of signer Benjamin Rush, he helped bring about the Monroe Doctrine. LS, one page, 7.75 x 10, April 1, 1812. Letter to David Getston. In full: “I have received your letter of the 26th ultimo, together with your accounts of the Customs for the 4th quarter of 1811.” Reverse of second integral page bears a free franked address panel, addressed in another hand, and franked “R. Rush.” In very good condition, with intersecting folds, two through single letters of signature, scattered light toning and dampstaining, and paper loss to second page from wax seal. RRAuction COA.