Revered Spanish cellist and composer (1876–1973) widely regarded as the greatest player in the history of the instrument. TLS in French, one page, 8.25 x 5.25, Festival de Prades letterhead, May 23, 1954. Untranslated letter to Mrs. Macdonald, neatly signed at the conclusion. In fine condition, with a central vertical fold and a few scattered creases. RRAuction COA.