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Half Sovereign

Half Sovereign

The Half Sovereign is a British gold coin that has been minted since 1544. It features a design of St. George and the Dragon, symbolizing bravery and valor, and has been a popular choice among collectors and investors alike.

Created by @admin β€’ May 26, 2026
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⚑ Resistive 🧲 Inductive — Medium, Large
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Specifications
Country
Mint
Period 1817–1999
Metal Gold
Type Coin -
Weight 3.9939g
Purity 0.9167
Diameter 19.3mm
Category Gold Coins
Tags Gold Coin
Contributor admin
Added May 26, 2026
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Test Data Included
⚑ Resistive Test
4-wire resistance measurements
🧲 Inductive Test
Frequency response analysis
Medium Large
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Reviews & Ratings

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Recent Reviews

J
@johndoe
2 weeks ago
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DEMO

Excellent library! Very accurate test data for Canadian Maple Leafs. Helped me verify several coins with confidence.

S
@sarahm
1 month ago
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DEMO

Great reference data. Would be nice to have more variations from different years, but overall very useful.

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