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The 1666 Half Crown belongs to the early milled silver series of Charles II. Overdate examples reflect the complex die use and production pressures of Restoration coinage.
Description
The 1666 Charles II Half Crown over 3 or 4 is a specialist overdate variety with very limited market evidence and high attribution sensitivity.
History
Collector Insight



Quick Facts
1666
Denomination
Year
Half Crown

Monarch
Charles II

Era
Stuart
No records available
Mintage

BRITISH COINAGE
1666 over 3 or 4

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Silver
0.925 Fineness
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15.05 g
Weight

34.0 mm
Diameter

Lettered
Edge
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1666 Half Crown

OVERDATE
AI-assisted illustration. For type reference only.
Home › British Coins › 1666 Half Crown 1666 over 3 or 4
Frequently Asked Questions
Why use 1666 over 3 or 4 instead of 1666 over 4?
Some specialist records describe the final digit as uncertain, either over 3 or 4. CIS should use the conservative wording unless the individual coin clearly proves a definite over 4 reading.
Specifications
Metal
Fineness
Weight
Diameter
Edge
Type
Mintage
Period
Mint
Design
Silver
0.925
15.05 g
34.0 mm
Lettered, regnal year XVIII
Milled
No records available
Early Milled (1662-1816)
Royal Mint (London)
Third laureated bust right, cruciform shields reverse
1666 Half Crown Elephant Below Bust
1667 Half Crown 7 over 4
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