VINTAGE EUROPEAN ENTERTAINERS A lot of ten I.S.P.'s in various formats, each signed by notable but largely unidentified European entertainers and musicians from the 1920s-1950s. Includes what appear to be operatic singers, conductors and composers, such as ELISABETH?, MARIA MULLER, SCOTT BELL?, LOTTA LENYA, RICHARD AUBER?, and so forth. Each inscribed to Adam Anthony Zylstra, husband of Princess Irina Orlov, and thus the son-in-law of Nicholas, Grand Duke of Russia. Condition ranges from just fair to very good, must be viewed. $75-100