Ireland, 1975 AD., Republic, 1 Irish Penny, KM 20.

Ireland, Republic, engraver: Gabriel Hayes (reverse), Dublin mint, 1974 AD.,
1 Irish Penny (phingin) (ø 20,3 mm / 3,57 g), bronze, 3,56 g theor. mint weight, mintage 10.000.000 , axis medal alignment ↑↑ (0°), plain edge,
Obv.: éire - 1974 , Irish harp, date to r.
Rev.: 1 P , value r. of stylized bird (adapted from an ornamental detail in the book of Kells).
KM 20 ; Spink 6709 .

Year / Mintage
1971 100,500,000
1971 50,000 Proof
1974 10,000,000
1975 10,000,000
1976 38,164,000
1978 25,746,000
1979 21,766,000
1980 86,712,000
1982 54,189,000
1985 19,242,000
1986 36,584,000
1986 6,750 Proof
1988 56,722,000