"This Style U is the most common model of all Gibson harp guitars, and this particular model from 1917 is its most common configurationя10 sub-bass strings (tuned chromatic), and six standard strings (tuned to standard tuning). Earlier harp guitars, some of which were built with 12 sub-bass strings, are considered quite rare and hard to find in good condition. This Style U model measures approximately 45.5с in length, 18.75с in width, with a rim depth of 3.5с. Its scale length is 24.75с, and it weighs approximately 9.5 lbs. In 1917, its list price was $248.21яa pretty hefty price tag for any instrument in its day."