What is (a) A small silver coin of Athens, the sixth part of a drachma, about three cents in value. (b) An ancient weight, the sixth part of a drachm called?

obolus — (a) A small silver coin of Athens, the sixth part of a drachma, about three cents in value. (b) An ancient weight, the sixth part of a drachm. (Webster's 1913.)

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