A trade-dollar locket, also known as a box dollar or an opium dollar, is a type of locket created from two coins, typically trade dollars, that were hinged together to form a hidden compartment. As trade dollars circulated in Asia in the late 19th century, the lockets were popularly thought to be used to carry opium concealed in the secret compartment.
A trade-dollar locket, also known as a box dollar or an opium dollar, is a type of locket created from two coins, typically trade dollars, that were hinged together to form a hidden compartment. As trade dollars circulated in Asia in the late 19th century, the lockets were popularly thought to be used to carry opium concealed in the secret compartment.
Source: Wikipedia "Trade-dollar locket" · CC BY-SA 4.0
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