Miscellaneous, Special Trial Design, 10 Units, c. 1970, in aluminium or white metal, special trial design around 10, units below, rev. similar, but c inside the loop of the 0, edge plain, 23.5mm, 4.28g/12h. Very fine and extremely rare, believed the only specimen extant outside the Royal Mint (£40-50)

This lot was sold as part of a special collection, The Joanna Tansley Collection of Patterns, Proofs and Coining Trials.

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