Important British and World Coins

Miscellaneous, Royal Mint Trial Die, 1957, Trials (4), similar, all with no borders, 23mm, viz. in aluminium, edge grained, 4.08g/12h; in bright alloy, edge plain, 5.71g/12h; in dull alloy, 5.78g/12h; in steel, knc [= Kings Norton (?) Company] in upper right field on both sides, edge plain, 4.77g/12h; Size Trials (4), all with Britannia hand-striking a coin, britannia moneta both sides, in cupro-nickel (2), both 19mm, scalloped edges, bright, 3.22g/12h, dull, 3.25g/12h, in bronze, 21mm, edge plain, 4.43g/12h; in steel, 21mm, edge plain, 4.60g/12h [8]. First very fine, seventh from worn dies, others extremely fine and better (£100-150)

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

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Collection

Provenance:
Second DNW Auction 51, 4 October 2001, lot 514 (part), described as nickel
One scalloped edge piece DNW Auction 38, 25 November 1998, lot 188 (part)
Seventh bt P.C.W. Deane.

Fourth only illustrated. The seventh is believed to have been made at the time of the first new decimal pence