OLD ENGLISH COPPER 1/William III 1700 Half penny Weight 9.54 g diameter 28.28 mm thickness 1.98 2/George I 1723 Farthing Weight 4.90 g diameter 22.50 mm thickness 1.68 3/George II 1749 Farthing Weight 4.17 g diameter 23.26 mm thickness 1.39 4/George II 1752 Half penny Weight 6.53 g diameter 27.20 mm thickness 1.53 mm?? Wrong size and weight probably clipped or an old counterfeit 5/George III 1770 Half penny Weight 8.48 g diameter 29.20 mm thickness 1.74 mm 6/George III 1770 Half penny Weight 4.67 g diameter 27.56 mm thickness 1.11 mm This coin is a very crude evasion copy probably tin plate