Imprinted on the bottom is WELLER POTTERY. In paint is the number 12. Designed by Rudolph Lorber who, in 1905, invented the mottled green pottery with a glossy finish which he named Coppertone. Weller Pottery was founded in 1872 by Samuel Weller and produced on his farm.By 1882, rapid growth and popularity necessitated a move to a larger facility in Zanesville, Ohio. By 1905, Weller Pottery was the largest pottery in the country. 4.25H x 5W x 4D. Please send us a message, and we will promptly reply. The item "Antique WELLER COPPERTONE FROG WITH LOTUS by Rudolph Lorber. 1930" is in sale since Tuesday, August 9, 2016. This item is in the category "Pottery & Glass\Pottery & China\Art Pottery\Weller". The seller is "supermall" and is located in Cincinnati, Ohio. This item can be shipped worldwide.