The left hand coin is a modern cast replica, which are often stamped (but not always) with COPY on the rim.
These are referred as the Shekel of Tyre
Here is an image of another matching example (same dies, same flan shape, same wear pattern) from a fakes database.

These are referred as the Shekel of Tyre
Here is an image of another matching example (same dies, same flan shape, same wear pattern) from a fakes database.





















