J. Clementson Siam Ironstone Plate, Blue and White, Octagonal, Staffordshire 19th Century - 1860

Antique octagonal plate from the "Siam" series produced by Joseph Clementson's manufactory in Staffordshire, England, in the mid-19th century.

History of the object: Joseph Clementson (active 1839–1864) was a prominent earthenware manufacturer in Hanley. The "Siam" series is a paradigmatic example of Victorian taste for Oriental aesthetics, utilizing the transferware technique. The stamp on the reverse includes the phoenix emblem and a diamond registration mark dating the design specifically to April 1, 1860.

Features and details:
- Period: Victorian Era (1860)
- Technique / Style: Cobalt blue transferware on Ironstone earthenware
- Size: Diameter of 23.5 cm (9.25 inches); Height of 2.5 cm (0.98 inches)
- Weight: 540 g (1.19 lb)
- Material: Ironstone
- Condition: The plate is in optimal structural condition, with no chips or cracks. It features dense and natural crazing in the glaze due to its age, which guarantees its historical authenticity.

Application and value: A piece of high relevance for collectors of Staffordshire ceramics or enthusiasts of 19th-century blue and white tableware. Use in dishwashers or microwaves is not recommended due to the nature of antique earthenware.