This is an exceptional example of a 1/2 Penny Coin from over 200 years ago. It is in circulated condition but still has a Fantastic amount of detail on both sides, and a wonderful patina.
Obverse:  A Laureate and draped portrait of King George III looking right, with date below and legend around~ “George the Third by the Grace of God King”.
Reverse:  Britannia sitting with a trident, olive branch in one hand, a shield bearing the Union flag, looking left~ the sea behind with a clearly detailed ship to the left.

The Mint used was at Soho, near Birmingham~ "SOHO" is visible on the rock next to Britannia's shield.

The edge of this coin has a groove with diagonal lines.

It is made of Copper.

The approximate measurements are:

28mm Diameter.

1.5mm thick.

9.2grams.