Source: University of California, Mark Twain Papers, The Bancroft Library, Berkeley([CU-MARK])
Cue: "For many years I have been one of your faithful admirers, and in my capacity as literary editor of the <i>Republican</i> have left no stone unturned to increase the great reputation you have deservedly achieved.Excuse the liberty I take in addressing you, but I am engaged in collecting souvenirs from celebrated people and would greatly appreciate the compliment of a contribution from you."