Bidspirit auction | Cobalt Swirl Graniteware Double Boiler

Cobalt Swirl Graniteware Double Boiler - A three piece double boiler set featuring a cobalt blue and white marbled swirl enamel pattern, commonly known as agateware or graniteware. The set consists of a flared base pot, a nesting insert pot, and a matching lid with a central D-shaped handle. Both the base and insert are equipped with long, black-enameled metal handles riveted to the body. The exterior is finished in a vibrant dip-mottled enamel swirl. No maker marks are present on the pots or lid.