10 Dollars Neptune

The Marshall Islands began issuing legal tender collector coinage aggressively in the early 1990s through a licensing arrangement with the U.S. Mint and private minting contractors, flooding the market with themed brass and cupro-nickel pieces aimed squarely at the souvenir trade. Most never circulated. The secondary market collapsed almost immediately as collectors recognized the issues were produced in quantities far exceeding demand.

KM#165 belongs to a planetary series released that year. Mintage controls on these issues were loose, and surviving population data from third-party graders is sparse — not because examples are rare, but because few collectors considered certification worthwhile.