1691
1691 Guinea – William and Mary
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The Guinea started the reign of William and Mary valued at 21 shillings and 6 pence, but towards the end of the reign the value had risen to nearly 30 shillings.
1691 Crown William and Mary
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The 1691 Crown William and Mary. The edge has the regnal year which for this coin may be TERTIO or TERTTIO. Another variant is I/E in legend. Minted at the Tower Mint, London.