Signed book: George Gershwin’s Songbook. First edition, limited issue, numbered 47/300. NY: Random House, 1932. Hardcover, 9.75 x 13, 167 pages. Boldly signed on the colophon by the composer, George Gershwin, and the illustrator, Constantin Alajalov. Includes a separate unsigned booklet of sheet music, as issued, for Gershwin’s whimsical 1932 composition, ‘Mischa, Yascha, Toscha, Sascha.’ Autographic condition: very fine. Book condition: VG/None. Pre-certified John Reznikoff/PSA/DNA.