What does AU mean in Coins?
This page is about the meanings of the acronym/abbreviation/shorthand AU in the Miscellaneous field in general and in the Coins terminology in particular.
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What does AU mean?
- gold, Au, atomic number 79(noun)
- a soft yellow malleable ductile (trivalent and univalent) metallic element; occurs mainly as nuggets in rocks and alluvial deposits; does not react with most chemicals but is attacked by chlorine and aqua regia