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Identifying slipware

Trailed cream lines, combed patterns, and joggled marbling on country pottery.

Slipware decorates red earthenware with contrasting liquid clay — trailed in lines and dots like icing, combed into feathered zigzags, or joggled into marbling — under a honey-toned lead glaze. The effect is warm, bold, and unmistakable: dark red-brown ground, cream-yellow decoration.

The tradition peaks in the 17th–18th centuries (English Staffordshire and Metropolitan slipwares, with named and dated display chargers at the top of the art), but country potteries continued trailing slip into the 20th century, and other regions have parallel traditions.

Record the decorative technique (trailed, combed, marbled), colours, and vessel form — press-moulded dishes with pie-crust rims are a classic. Fragments still show technique clearly; note glaze colour over each slip to reconstruct the original contrast.

From the guide library inside Collectors Catalogues, a free app for cataloguing antiques and finds with honest, museum-grade records.

More on pottery

Identifying pottery and ceramics — Fabric, surface, and how it was formed.

Identifying terracotta figurines — Mould lines and vent holes.

Identifying amphorae and transport pottery — Shape equals cargo.

Identifying tiles and brick — Fabric, stamp, and format.

Identifying Roman samian ware — Glossy red tableware with moulded scenes and potters' stamps.

Identifying Roman coarse wares — The kitchen pottery of the empire — greywares, mortaria, and flagons.

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