Although King George VI is expected to take home the top prize at Baldwin's coin auction in London on May 3-4, his predecessor Queen Anne, who ruled between 1702 and 1714, could push him close.
A 1706 pre-union type 5-Guinea gold coin is expected to make between £25,000 and £30,000 at the sale.
England and Scotland formed Great Britain in 1707, giving this item real historic value among collectors and investors.
Bearing Queen Anne's likeness gazing left, the coin features pre-union crowned cruciform shields on the reverse, combined with sceptres, and a rose at the centre. The date is marked either side of the crown.
 This Queen Anne 1706 5-Guineas could make £30,000 |
Baldwin's remarks on the coin's "brilliance and lustre of light red tone", adding that it is "one of the finest portraits we have seen on the rarer pre-union type Five Guinea of this date".
The sale also features a George II 2-Guinea piece from 1733, valued at £25,000-£30,000.
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