Obverse: Lettering.
Lettering: * MINERS. BANK. * / SAN FRANCISCO. / TEN. D.
Reverse: Eagle.
Lettering: CALIFORNIA.
Identification

Yeoman, R. S., Bressett, K., Bowers Q. D., Garrett J. (Ed.) (2009). A Guide Book of United States Coins 2010: The Official Red Book (63rd ed.). Atlanta, GA: Whitman Publishing, LLC
page: 368
Main data
Denomination: Eagle
Nickname: Miners Bank
Value: 10
Currency: Dollar
Year: 1849 (Undated)
Variety: Dentelated Border, Raised Rim
Type: Token
Minting
Mint: Philadelphia
Minting type: milled
Parameters
Material: Gold
Shape: Round
ObvRev: coin_180