Christening Cup Celtic Pewter. This is a classic round bodied Child Cup with a Georgian Handle. The Christening Cup has a Celtic Wire band around the centre. The Child Cup is highly polished and finished to a very high standard of British workmanship. The Child Cups and Tankards vary from 80mm to 90mm tall and hold an average of 170 ml. The Cup with the Celtic Wire Band is presented in a blue and pink spotty gift box, is a lovely gift for any child and is suitable for engraving.