Hand-drawn illustration of a fanciful butterfly, "Paridisia radugaleta," dated 1969, by Vladimir Nabokov as an inscription in Vera's copy of the 1923 Russian language edition of "The Empyrean Path" [Горній путь] (Berlin).
Attribution:
Vladimir Nabokov (Courtesy of the Division of Rare and Manuscript Collections, Cornell University Library, Rare Books PG3476.N11 D9 no.2)