The Copley medal of the Royal Society, as presented to Benjamin Franklin: left obverse, right reverse, with a decorative surround. Engraving, later than 1753.

Reference:
40215i

Licence: Public Domain Mark

Credit: The Copley medal of the Royal Society, as presented to Benjamin Franklin: left obverse, right reverse, with a decorative surround. Engraving, later than 1753. Wellcome Collection. Source: Wellcome Collection.

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