Carpenter Fine Violins & Collectibles, LLC is the leading company worldwide specializing in rare instruments and artwork. Founded in 2010 by the Carpenter siblings Sean, Lauren, and David, the firm has transacted over $150 million of violins, violas, and cellos made by Antonio Stradivari, Giuseppe Guarneri Del Gesù, Giovanni Battista Guadagnini, Lorenzo Storioni, and other Italian master makers, along with modern art by Pablo Picasso and postwar art by Robert Motherwell, Cy Twombly, Willem de Kooning, Jean Dubuffet, Yayoi Kusama, and other prominent contemporary artists such as Stanley Casselman.