ALS-Bruno Zirato; LS-Bruno Zirato; ALS-Mishel Piastro; ALS-Ralph F. Colin; ALS-Ruth Pratt. Donation of Carlo Bergonzi Violin from Mrs. John T. Pratt (Ruth) to NY Philharmonic; Notarized documents regarding sale, condition and ownership of Bergonzi violin; Insurance policy for Bergonzi violin; Lending of Bergonzi violin to Mishel Piastro; Mrs. Pratt's belief that violin load agreement was not being honored; Unsuccessful attempts to have violin returned; Eventual sale of violin to Piastro.