This photo provided by Stack's Bowers Galleries shows a rare $20 double eagle gold coin from 1870, which sold for $1,440,000 at an auction Tuesday, Nov. 19, 2024, in Costa Mesa, Calif. (Stack's Bowers Galleries via AP)

This photo provided by Stack's Bowers Galleries shows a rare $20 double eagle gold coin from 1870, which sold for $1,440,000 at an auction Tuesday, Nov. 19, 2024, in Costa Mesa, Calif. (Stack's Bowers Galleries via AP)

This photo provided by Stack's Bowers Galleries shows a rare $20 double eagle gold coin from 1870, which sold for $1,440,000 at an auction Tuesday, Nov. 19, 2024, in Costa Mesa, Calif. (Stack's Bowers Galleries via AP)