Image Beyond Steel C.F. Martin & Co. 1918 price list for string instruments C.F. Martin & Co. 1918 price list for tenor mandola, guitars, mandolins, ukuleles, and taropatches. Also lists details of style changes from 1917 styles. C.F. Martin & Co., founded in 1833 and headquartered in Nazareth, Pennsylvania, is the world's oldest surviving producer of guitars and the largest producer of acoustic guitars in the United States. View Item