Dollar Bank of England an undated uniface obverse trial Obverse K, as used on the patterns of 1811 exhibiting the a die flaw running from the rear of the truncation to the rim, and numerous die rust spots on and below the drapery and obverse rim, weight 34.2 grammes (527.78 grains) thus heavier than the thick flan coins described by Bull in the new ESC, but lighter than the 'very thick flan' listed pieces. Listed as Davis 39, and stated to be in copper, although has the appearance of a brass piece, interestingly Davis lists a standard Proof striking in brass (Davis 38), A/UNC with traces of lustre and a dark tone spot on the obverse rim

Estimate: GBP 400 - 600