This circa 1920 42 1/2" driver has an oval shaft with distinct ridges down its entire length both front and back. There are a few putters out there with oval shafts, but not drivers. This is truly a rarity. The oval shape runs the entire length of the shaft, including under the grip which has also has a raised ridge down its front and back.
The crown is stamped "Jack Clucas." Clucas was a British Golf professional who worked at Bridlington Golf Club in the 1910s and '20s. In Outstanding original condition.