[ZANE GREY?S COPY]. CLEMENS, Samuel Langhorne ("Mark Twain") (1835?1910). Mark Twain?s Sketches, New and Old. Hartford and Chicago: The American Publishing Company, 1875. 8vo. Frontispiece, numerous in?textwoodcuts. Publisher?s original blue cloth pictorially stamped in gilt and black (spine gently darkened with a bit of rubbing at ends, light penciling to upper margin of p. 31); cloth chemise housed in quarter crushed morocco slipcase (spine sunned). Provenance: Zane Grey?s blind?stamp to front free endpaper and first flyleaf. FIRST EDITION, FIRST STATE with the repeated footnote on p. 120; and the 11?line skit headed ?From Hospital Days? with the scarce inserted errata slip denying Twain?s authorship of the piece. BAL 3364; Johnson, p.77.