Monopole Bitters - Herman Toser Milwaukee

This is one of the premier Wisconsin bitters. It is simply embossed on the back "MONPOLE BITTERS" and "W F & S" (William Frank & Sons Pittsburgh 1860 1875) and has a large iron pontil. It is a product of the Herman Toser Co. of Milwaukee Wisconsin. It is extremely rare with only a couple of known examples. One was found in Wisconsin in the 1960's and was sold to a national bitters collector outside of Wisconsin.