Part 1 of 3 in Madison, Wis., features an heirloom art deco charm bracelet that may have a John D. Rockefeller link; a 1938 Martin D-18 guitar; and an angry 1976 letter from Frank Sinatra to Chicago Daily News columnist Mike Royko. Also: the photography of H.H. Bennett (1843-1908) is discussed during a visit to Wisconsin Dells.