Also, strange enough; what's left of the design does not match precisely to other GeorgeV coins of this series
Here is another pic. Its very strange, what's left of the details of the uniface does not match any other coins of this series. Notice the enlargement of the left to the right as well as look closely. They do not match
There are no signs of tampering. The obverse is without a scratch. How is that accomplished? Also, the weight is to the tee.
There is no great interest in the UK in vaguely damaged coins. Interest in errors is minimal, compared with what seems an obsession in the US.