Both sides are stamped with the standard weight for half guinea coins minted from January 1, 1772 until the Great Recoinage of 1816. P . G - meaning penny and grain. 2 . 16 - meaning a weight of 2 pennies and 16 grains.
Obverse lettering
P . G
2 . 16
Obverse script
Latin
Reverse description
Both sides are stamped with the standard weight for half guinea coins minted from January 1, 1772 until the Great Recoinage of 1816. P . G - meaning penny and grain. 2 . 16 - meaning a weight of 2 pennies and 16 grains.