ALS, three pages on two adjoining black-bordered sheets, 4.5 x 6.75, no date. Letter to Elizabeth M. Howe of Cambridge. In part: “To the kind invitation…Please present my thanks…and assure them that I should have attended…had it been possible for me to do so.” Moderate blocks of toning to first page, otherwise fine condition. Accompanied by the original mailing envelope, filled out in Howe’s hand. RR Auction COA.