O. P. Co. porcelain signals
The Ohio Porcelain Company, located in East
Liverpool, Ohio, began manufacturing in 1897 and
would become property of G.P. Co. sometime between
1911 & 1913.
Liverpool, Ohio, began manufacturing in 1897 and
would become property of G.P. Co. sometime between
1911 & 1913.
This very scarce U-274 is
embossed on upper side of wire
groove ridge "O.P. CO". Owned by
Jim Colburn.
embossed on upper side of wire
groove ridge "O.P. CO". Owned by
Jim Colburn.
Reported styles: U-274
Reported colors: brown, white
Reported colors: brown, white