NABOKOV, VLADIMIR. Conclusive Evidence. 8vo, publisher's 1/4 black cloth over boards, spine gilt faded, edges and spine tips rubbed, light exposure to corners; bookplate on front pastedown, toning and scattered staining to prelims through first few text leaves. First edition, signed and inscribed on the half-title: "Vladimir Nabokov / 5 . XII . 1958 / wet snow over Ithaca, N.Y." New York: Harper & Brothers, (1951)