Everything For The Detectorist - Metals
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More Indepth notes on Metals
Source: Bibliography
Source: Bibliography
Metals - British Currency Composition
| Half Penny | (½p; £0.005) | 1971 | 1984 | demonetarised since then | ||
| One Penny | (1p; £0.01) | 1971 | present | - | ||
| Two Pence | (2p; £0.02) | 1971 | present | - | ||
| Five Pence | (5p; £0.05), | 1968 | 1990 | (reduced to present size); 1990-present |
||
| Ten Pence | (10p; £0.10) | 1968 | 1992 | (reduced to present size); 1992-present |
||
| Twenty Pence | (20p; £0.20) | 1982 | present | - | ||
| Twenty-Five Pence 0r Crown | (25p; £0.25) | 1972 | 1981 | (special issues, not in common circulation) | ||
| Fifty Pence | (50p; £0.50) | 1969 | 1997 | (reduced to present size); 1997-present | ||
| One Pound | (£1.00) | 1983 | present | - | ||
| Two Pounds | (£2.00) | 1986 | 1997 | (reduced to present size); 1997-present | ||
| Five Pounds or Crown | (£5.00) | 1990 | present | (special issues, not in common circulation though still legal tender) | ||
1986
Summary Of Denominations
| Specifications - Composition Metals | ||||||
| Denomination | Diameter | Thickness | Mass | Composition | Edge | Introduced |
| One Penny | 20.32mm |
1.52 mm (bronze) 1.65 mm (copper-plated steel) |
3.56g |
Bronze (1971 – Sept 1992) Copper-plated steel (Sept 1992 – present |
Smooth |
1971 |
| Two Pence | 25.9mm |
1.85 mm (bronze) 2.03 mm (copper-plated steel) |
7.12g |
Bronze (1971 – Sept 1992) Copper-plated steel (Sept 1992 – present) |
Smooth |
1971 |
| Five Pence | 18mm | 1.7mm | 3.25g | Cupronickel (75:25) |
Milled | 1990 |
| Ten Pence | 24.5mm | 1.85mm | 6.5g | Cupronickel (75:25) |
Milled | 1992 |
| Twenty Pence | 21.4mm | 1.7mm | 5g | Cupronickel (84:16) |
Smooth, Reuleaux Heptagon | 1982 |
| Twenty-Five Pence | 38.61mm | 2.89mm | 28.28g | Cupronickel | Milled, with variable inscription | 1972 (commemorative, not in general circulation) |
| Fifty Pence | 27.3mm | 1.78mm | 8g | Cupronickel (75:25) |
Smooth, Reuleaux Heptagon | 1997 |
| One Pound | 22.5mm | 3.15mm | 9.5g | Nickel-Brass | Milled with variable inscription and/or decoration | 1983 |
| Two Pounds | 28.4mm | 2.5mm | 12g | Inner: Cupronickel Outer: Nickel-brass |
Milled with variable inscription and/or decoration | 1997 (issued 1998) |
| Five Pounds | 38.61mm | 2.89mm | 28.28g | Cupronickel | Milled, with variable inscription | 1990 (commemorative, not in general circulation) |
The specifications and dates of introduction of the 5p, 10p and 50p coins refer to the current versions. These coins were originally issued in larger sizes in 1968 and 1969 respectively.
With their high copper content (97%), the intrinsic value of pre-1992 1p and 2p coins increased with the surge in metal prices of the mid-2000s, until by 2006 the coins, would, if melted down, have been worth about 50% more than their face value. (To do this, however, would be illegal, and they would have had to be melted in huge quantities to achieve significant gain.) In subsequent years the price of copper fell considerably from these peaks
With their high copper content (97%), the intrinsic value of pre-1992 1p and 2p coins increased with the surge in metal prices of the mid-2000s, until by 2006 the coins, would, if melted down, have been worth about 50% more than their face value. (To do this, however, would be illegal, and they would have had to be melted in huge quantities to achieve significant gain.) In subsequent years the price of copper fell considerably from these peaks
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