Circa 1904 Kempshall Willie Dunn patent center shafted mallet putter. This Kempshall (Arlington N.J.) putter has a Willie Dunn, Jr. Patent black pyralin head. Circa 1904. Excellent condition. This exact club was part of the famed Jeff Ellis collection and sold in the 2007 Sotheby's Jeff Ellis auction for $1,625.