This one is a giant-2 1/8" tall and 2 1/4" wide at the base. The hole down the center is 1 1/8" in diameter. It is embossed on the front: COLE BROS and on the reverse: St. LOUIS MO. / No 1 The Cole Brothers company was a big time seller of lightning rods, so more of these LRIs should turn up. Purchased from a lightning rod arrow collector in the early 1980s.