Fountain pen signature, 'Truly Yours, Mark Twain,' on a white 5 x 3 card affixed to a slightly larger sheet. In the lower left corner, in a another hand, reads 'Hartford, Conn. Apl 1885.' The signature is accompanied by a color etching of the author, 5.25 x 8.75, affixed to a larger board. In fine condition. RRAuction COA.
