What does the mint mark stand for on a 1914 5 Indian head gold piece?

The mint mark on a 1914 $5 Indian head gold piece can be one of the letters "D" or "S" and stand for the mint at which the coin was produced:

* "D" : Denver Mint in Denver, Colorado.

* "S" : San Francisco Mint in San Francisco, California.

The mint mark for the 1914 $5 Indian head gold piece is located on the reverse side of the coin, just below the eagle's tail feathers.

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