It is the world's first bi-metal coin composed of a irregularly Niobium center and sterling silver. It pictures a crouching Mongolian Snow Leopard. The Leopard is Niobium, a bluish metal. It is surround by an oval "ring" of sterling silver.
lighter masses 91.224 amu - atomic mass of zirconium 92.90638 amu - atomic mass of niobium [98] amu - atomic mass of technetium 101.07 amu - atomic mass of ruthenium
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 See also: Variety, Sterling silver, Various, Gold, Trade
  
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