Knowles, Taylor & Knowles Semi-Vitreous Porcelain Value Guide

Founded in 1854 in East Liverpool, Ohio, Knowles, Taylor & Knowles (K.T. & K.) grew to become one of the largest and most influential American potteries. This semi-vitreous porcelain is highly collectible for its durable construction and the distinctive crackled glaze that characterizes many pieces from the late 19th and early 20th centuries.

What Is Knowles, Taylor & Knowles Semi-Vitreous Porcelain Worth?

The typical price range for Knowles, Taylor & Knowles Semi-Vitreous Porcelain is $25 - $45 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• The presence and clarity of the original transfer-printed designs or hand-painted decorations.
• The extent of the crackle glaze, noting if it was an intentional aesthetic choice or a result of age-related crazing.
• Overall structural integrity, as chips or cracks in the semi-vitreous body can lower the value below the $25-$45 range.
• The rarity of the specific vessel shape or dinnerware component within the K.T. & K. catalog.

How to Identify Knowles, Taylor & Knowles Semi-Vitreous Porcelain?

• Look for the 'K.T. & K. Co.' or 'Knowles, Taylor & Knowles' backstamp on the underside of the piece.
• Identify the 'Semi-Vitreous Porcelain' mark which was a signature line for the company during the 1890-1920 era.
• Check for the characteristic crackle glaze which may appear as a fine network of lines across the surface.
• Verify the material is semi-vitreous ware, which sits between traditional ironstone and fine translucent porcelain in weight and density.

History of Knowles, Taylor & Knowles Semi-Vitreous Porcelain

Knowles, Taylor & Knowles Company, often abbreviated as K.T. & K., was a prominent American pottery manufacturer based in East Liverpool, Ohio. Founded in 1854, it became one of the largest potteries in the United States, renowned for its semi-vitreous ware, ironstone, and dinnerware. The company was particularly active during the late 19th and early 20th centuries, producing a vast array of ceramic items for homes across America. Their "Semi-Vitreous Porcelain" line was known for its durability and often featured transfer-printed designs or simple, elegant glazes. The crackle glaze seen on this piece is a distinctive characteristic, sometimes intentional and other times a result of age on certain glazes.