What is the value of a 1903 S five dollar gold piece?

1903-S is a common date for $5 gold pieces. In circulated condition, it's worth about $120 A nice uncirculated coin is worth $300-$600

ANOTHER ANSWER:

ACTUALLY, This coin is worth far more than $120 circulated. at current gold prices this coin is worth EASILY $240.

If it's in FAIR shape, you can get $300 for it.