Lot of six signatures (five vintage) on individual, white sheets, ranging in size from 5 x 3 to 5 x 4, most adding an inscription “To Arthur Howard,” “Salt Lake City” and the date. Included: Leopold Stokowski (signed May 5, 1936, according to the collector’s notations); Leonard Bernstein (according to the collector’s typed notation, signed September 7, 1960); Dimitri Mitropoulos (who also pens two bars from a Mozart piece and adds “April 15, 1947”); Walter Damrosch (who pens two bars of an unidentified piece and adds “May 13/1941”); Eugene Ormandy (“Sept. 5, 1958”); and Paul Whiteman (“10/11 - ‘37”). In overall fine condition, with traces of adhesive to edges and neatly typed collector’s notations, small punch holes to left margin. R&R COA.