United Kingdom Silver Coin History 
The United Kingdom established the global gold standard for silver with its Sterling (92.5%) purity. For centuries, British silver coins were the benchmark for trade across the Commonwealth, influencing the systems of Ireland, Australia, New Zealand, and South Africa. This era produced legendary issues like the massive Silver Crown and the iconic Double Florin.
The aftermath of WWI led to a drastic shift in 1920, when the silver content was reduced to 50% to pay off war debts. While these later coins remained in circulation until the mid-1940s, the "Sterling" era remains the most sought after by bullion hunters. Understanding the 1920 cutoff is essential for any stacker looking to maximize their silver weight when buying British coinage.
How we calculate the LIVE MELT VALUE of British silver coins:
| Coin Type | Purity | Years | ASW (oz) |
|---|---|---|---|
| Crown (Sterling) | 92.5% | 1818-1902 | 0.8409 |
| Crown (Coronation) | 50.0% | 1927-1937 | 0.4546 |
| Double Florin (Barmaid's Ruin) | 92.5% | 1887-1890 | 0.6727 |
| Trade Dollar | 90.0% | 1895-1935 | 0.7800 |
| Half Crown (Sterling) | 92.5% | 1838-1919 | 0.4205 |
| Half Crown | 50.0% | 1920-1946 | 0.2273 |
| Florin (Sterling / Two Bob) | 92.5% | 1849-1919 | 0.3364 |
| Florin (Two Bob) | 50.0% | 1920-1946 | 0.1818 |
| Shilling (Sterling) | 92.5% | 1838-1919 | 0.1682 |
| Shilling | 50.0% | 1920-1946 | 0.0909 |
| Sixpence (Sterling) | 92.5% | 1838-1919 | 0.0841 |
| Sixpence | 50.0% | 1920-1946 | 0.0455 |
| Threepence (Sterling) | 92.5% | 1838-1919 | 0.0420 |
| Threepence | 50.0% | 1920-1945 | 0.0227 |
STEALTH PRO TIP: Memorize the 1920 Cutoff. Any British silver dated 1919 or earlier is guaranteed Sterling silver (92.5%). Coins from 1920 to 1946 are only 50% silver. If you are buying a mixed lot, check the dates carefully; a 1919 Shilling contains nearly double the silver of a 1921 Shilling, even though they may look identical to the untrained eye.