Cash in the attic: Art glass marbles

Early glass marbles were handmade - predominantly in Germany - from the 1860s, then machine made from the 1920s. Marbles games with the aim of knocking an opponent's marble out of a ring were a playground favourite.

However, the late 20th century saw a boom in 'art glass' marbles that were not intended as playthings. These were made by independent studio glass artists. Many  explore the reflective, refractive or magnifying properties of optical glass.

Art glass marbles were not intended as playthings

Value is dependent on technique, size and maker. Notable artists include Paul Stankard, Jessie Taj and Daniel Benway.

'End of the day' glass was made by glassworkers in their own time at the end of the day. It usually uses up the remaining molten glass in the pots and therefore tends to be a mixture of colours including this swirling 2000-12 'end of the day' glass frit marble 4cm diam (1.5in) by Kris Parke is valued at £30-£50.

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