Watch List notes:

USA. With its very low mintage of 16,606 pieces and less than 150 pieces surviving the 1857 is definitely a very rare coin appearing very rarely on the market. $10 Liberty 1857. PCGS XF45 / CAC.
CAC certified only 4 in XF45 (including this one). Philadelphia.
Gold. 27 mm. 16.72 gr. (900‰).