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Back to previous page4 1/2 in. (843 grams, 11.4 cm).
Displaying natural veining and areas of darker colour. [No Reserve]
PROVENANCE:
From Aust Cliff, River Severn, Gloucestershire, UK.
Acquired from Milton Keynes Geological Society 1998.
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
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AUCTIONS:
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