Portugaliae et algarbiorum rex 1732 ioannes V dei gratia?

Answer 1

The words are Latin for "John the Fifth, by the Grace of God, King of the Portugals and Algarve". Algarve is the region in the very south of Portugal.

The value of the coin in question would depend on its denomination and condition.

Answer 2

This Latin phrase translates to "John V, by the grace of God, King of Portugal and the Algarves, 1732." It indicates that John V was the reigning monarch of Portugal and the Algarves in the year 1732, ruling by the grace of God.