Definizione

• Spanish: Billon, an alloy of copper with a small amount of silver. It was considered 'pobre' or poor, when there was a low quantity of silver in the coin and 'rico', or rich, when more generous amounts of silver were used. Billon coins were always well under 50% silver.

Fonte

• Numiscadero Spanish to English Glossary (Gary Beals)

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