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| | Irish Coin Sets Available - Including 2000 |
 | | In 1959 the alloy of the bronze coins, penny, halfpenny, and farthing, was changed slightly from 95.5% copper, 3% tin and 1.5% zinc to 97% copper, 0.5% tin and 2.5% zinc. |
 | | In 1966, a silver commemorative ten shilling coin was issued to mark the 50th anniversary of the Easter Week Rising in 1916. |
 | | A twenty pence coin was introduced in 1986, based on the original Metcalfe halfcrown design, the alloy used being 79% copper, 20% zinc and 1% nickel. |
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