|Cook porcelain signals|
| Headquartered in Cambridge, Ohio and produced in Byesville, Cooks were manufactured from the early 1920's to sometime in the early 1930's. All on this page have glazed pinholes. All have fairly deep inner petticoat-to-thread (except for U-308). Pinhole tops are slightly concave.
Reported styles: U-249, U-283, U-289, U-291, U-293, U-295, U-297, U-308
Reported colors: brown, chocolate brown, yellow, white,
light honey yellow
|U-289 incised on crown.|
|U-297s incised on crown.|
|U-308 lightly incised in skirt|