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1970 British Penny

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The 1970 British penny was only struck for proof sets, with the last circulating predecimal pennies being dated 1967. In total, 750, 476 proof 1970 pennies were struck between 1971 and 1976, making it the highest mintage non-circulation penny.

At the time of striking, the Royal Mint was in the process of moving all operations from London to Llantrisant: as a result, 102,274 1970 pennies were struck in London and 648,202 1970 pennies were struck in Llantrisant.

1970 pennies struck in London
TimeframeMintage
4th April 1971 - 31st March 197216,720
1st April 1972 - 31st March 197385,554
1970 pennies struck in Llantrisant
TimeframeMintage
4th April 1971 - 31st March 197253,043
1st April 1972 - 31st March 1973510,000
1st April 1973 - 31st March 197474,293
1st April 1974 - 31st March 197519,814
1st April 1975 - 31st March 197652

The 1970 pennies struck in London and Llantrisant (and indeed the sets they come in) are indistinguishable.