Maddocks Lamberton Works Royal Porcelain Bowl Value Guide

This Maddocks Lamberton Works Royal Porcelain bowl is a premier example of American-made flow blue produced in Trenton, New Jersey. Its collectible appeal lies in the combination of a delicate fluted body and the characteristic Victorian-era cobalt bleed on semi-vitreous ironstone.

What affects the value of Maddocks Lamberton Works Royal Porcelain Bowl?

• The intensity and clarity of the flow blue pigment, with deep cobalt hues typically commanding higher prices.
• Overall physical condition, specifically the absence of crazing, chips, or staining in the white glaze.
• The presence of a clear, legible manufacturer's mark from the 1890-1910 production era.
• Market demand for specific floral patterns and the structural integrity of the fluted edges.

How to Identify Maddocks Lamberton Works Royal Porcelain Bowl?

• Look for the 'Royal Porcelain' backstamp accompanied by the Maddocks Lamberton Works name or logo on the base.
• Examine the cobalt blue floral pattern for the intentional 'flow' or blurred edges typical of late 19th-century transferware.
• Identify the specific fluted texture of the bowl's body, which distinguishes it from flat-sided ironstone pieces.
• Verify the semi-vitreous porcelain material, which has a heavier, more durable feel than fine bone china.

History of Maddocks Lamberton Works Royal Porcelain Bowl

The Maddocks Lamberton Works, based in Trenton, New Jersey, was a prominent American pottery founded in the late 19th century. They were renowned for producing 'Royal Porcelain' and high-quality semi-vitreous ironstone, often utilizing transferware techniques popularized by British potters. Their flow blue patterns, characterized by a deliberate bleeding of the blue pigment into the white glaze, remain highly collectible among enthusiasts of Victorian-era ceramics.