Mid-19th century gold in quartz aesthetic native gold specimen from northern Sierra Nevada in California, featuring a leaf gold in quartz matrix with pyrite crystals (est. $3,600-$5,400).

Mid-19th century gold in quartz aesthetic native gold specimen from northern Sierra Nevada in California, featuring a leaf gold in quartz matrix with pyrite crystals (est. $3,600-$5,400).

Mid-19th century gold in quartz aesthetic native gold specimen from northern Sierra Nevada in California, featuring a leaf gold in quartz matrix with pyrite crystals (est. $3,600-$5,400).

Mid-19th century gold in quartz aesthetic native gold specimen from northern Sierra Nevada in California, featuring a leaf gold in quartz matrix with pyrite crystals (est. $3,600-$5,400).

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