Vintage ink signatures, “Arturo Toscanini” and “Vl. Horowitz,” on individual off-white sheets, each approximately 5.75 x 3.5. In overall fine condition, with a rough bottom edge to the Toscanini sheet due to removal from a program, and intersecting folds to the Horowitz sheet (passing through the signature). Provenance: William Collier Family Collection. RR Auction COA.
