18k Gold Plated Coin Necklace- Old Irish Fivepence (5p) Coin. Irish Harp on front face dated 1982, Bull on back face of pendant. Each pendant is handmade in sterling silver and plated with 18k gold. This Necklace has an adjustable chain which can be worn at a length of 45 cm to 50 cm (18 inches to 20 inches), this allows the necklace to be layered perfectly with other chains. Note this chain length is longer than the other chains available.