A hollow gold Inca figurine from Peru was probably used as an offering and was originally wrapped in cloth.
Byzantine Coin
(c) Craig Chesek / AMNH
A Byzantine gold Histamenon Nomis coin (1028-1034 AD) with a depiction of emperor Romanus III being crowned by the Virgin Mary. On the reverse, Christ enthroned.
Colorado Gold
(c) Dennis Finnin / AMNH
This delicate, crystallized gold specimen was found in Leadville, Colorado. Formed from superheated gold-bearing water, crystallized gold specimens like this are extremely rare in nature.