How do I date a glass?

Dating relies on observing the combination of bowl shape, pontil mark type, metal composition and stem formation. Eighteenth-century pieces typically exhibit hand-drawn stems and rough snapped pontils. Later Victorian and Edwardian pieces often display heavier mould lines, brighter uniform colours, or flat-bottomed polished pontil scars.

Are these glasses safe for wine?

Many collectors use eighteenth and nineteenth-century glass for special occasions, provided they receive careful hand washing. Lead glass is stable for holding wine during a meal. Thermal shock and modern dishwashers pose the greatest risk, so gentle cleaning in warm water preserves the historic metal.

Why are some stems twisted?

Makers twisted the molten glass rod before drawing and forming the stem to trap air channels or white enamel threads inside the clear metal. This created mesmerizing optical effects as light passed through the glass. Air twists and opaque twists became hallmarks of mid-eighteenth-century English glasshouse production.

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Knopped Stem Wine Glass

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These knopped stem wine glass examples span centuries of master glassmaking, offering tactile balance and historical character to any table.

19th century

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Early 19th Century Sherry Glasses

From W.R. Harvey & Co. (Antiques) Ltd

£320

FOR SALE

glass

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Knopped Stem Wine Glass

Early 19th Century Sherry Glasses

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