Bill Allison, L.D. Stone (1893 San Francisco) Tribute Saddle Set. A wonderful, historically accurate and artistically executed custom-made saddle ensemble designed in the late 19th century tradition of San Francisco's L.D. Stone & Co. by Bill Allison of Allison Saddlery of Roundup, Montana. This double-rigged, high back, square skirt, 1893 Northern California style half-seat saddle with massive tapaderos and matching Bridle and Breast Collar, features remarkable deep floral tooling on rich, ...