Natural History - Historic Opal Mineral Specimen

2 1/4 in. (258 grams, 59 mm).

A specimen of pale blue opal, collection number 333. [No Reserve]

Provenance

Acquired on the UK mineral and fossil market, since 1970.
From the historic mineral collection of Richard Valentine Cain, London, UK, thence by descent.

Accompanied by an original historic index file card.

CONDITION

VETTING:

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AUCTIONS:

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LOT 2804