Nice Newton Porter Saddle, Marked on the Seat and Fenders, Phoenix, Arizona ~ ca. 1935 $975, plus shipping Diminutive little working saddle, purchased from the farrier in 1940 and probably made for a woman or small boy. Marked with the famous N. Porter, Phoenix stamp on the seat and fender. Undercut swells. Newton Porter, originally from Texas, opened a shop in Phoenix, Arizona around 1898. He died around 1912 but his sons were among the most important saddlemakers in the world during the 1930s and 1940s. From the 1890s through the 1960s, Porter's Saddles employed two dozen or more master craftsmen, who tooled and sewed the saddles. Their saddles were world famous for being among the finest made. They also mentored apprentices who often opened their own shops. N. Porter mark photos.