In days of old, money-strapped monarchs reduced the gold or silver content of their coins.

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The coins are mainly bronze, with some silver content, and feature 16 different emperors, spanning 38 years.

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Fellow Briton Helena Lucas had to be content with silver in the 2.4mR category.

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The Coinage Act of 1834 changed the content of the Eagle to 23.2 grains while leaving the silver dollar unchanged producing a ratio of 16:1.

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