Offering an Antique Stoneware Butter Crock. Salt glaze with cobalt blue decorations (circa late 1800’s). Absolutely excellent antique condition. Approximately 5″ in diameter and 6.5″ across handles. From 30 year collection Item No. The item “Antique Stoneware Butter Crock with Cobalt Blue Decorations (circa late 1800’s)” is in sale since Saturday, August 29, 2020. This item is in the category “Antiques\Primitives”. The seller is “dkr2rer2″ and is located in Middletown, Ohio. This item can be shipped to United States.