18k Gold Plated Coin Necklace- Old Irish Ten pence (10p) Coin. Irish Harp on front face dated 2000, Salmon 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 40 cm to 45 cm (16 inches to 18 inches), this allows the necklace to be layered perfectly with other chains. This would make a lovely gift for someone turning 21 this year.