Engraved Warmbrunn wine glass with gilt rim. Silesia C1720.

Warmbrunn glass, also known as Warmbrunner glass, refers to a type of glassware that originated in the Warmbrunn (now Cieplice Śląskie-Zdrój) region of Silesia, which is now part of Poland. The Warmbrunn glass industry flourished particularly in the 19th century and was known for producing high-quality glassware.

Warmbrunn glass gained popularity due to its exceptional clarity, brilliance, and craftsmanship. It encompassed a variety of glass products including drinking glasses, vases, bowls, and decorative items. Warmbrunn glass was often characterized by its intricate designs, delicate engravings, and vibrant colors.

One of the hallmarks of Warmbrunn glass was its use of traditional glassmaking techniques such as blowing, cutting, engraving, and gilding. Skilled artisans employed these techniques to create exquisite pieces that were highly sought after by collectors and enthusiasts alike.