CLAYTON BUCK: (1911-1991) American jazz trumpeter & WEBSTER BEN: (1909-1973) American jazz tenor saxophonist. A printed 8vo advertisement for a jazz performance by Clayton and Webster, accompanied by the Henri Chaix Orchestra, at the Casino-Theatre on Rue de Carouge (Geneva), 2nd June n.y., individually signed by both Clayton and Webster in blue inks with their names alone to clear areas. A scarce pair of signatures. A few minor tears and small areas of paper loss to the edges, and some slight traces of former mounting to the verso, G