gold point

noun2

1. •
   (historical) The values above and below the mint par of two monetary units on a shared metallic standard at which it became equally inexpensive to import or export gold or silver bullion instead of resolving trades through credit instruments such as bills of exchange.

   • The New York exchange has kept hovering at only a little above the gold point. — 1882
2. •
   The melting point of gold, 1036°C.