A small dealer in stocks.

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1861.  All sorts of brokers, from the leading houses down to the curbstone ‘operator,’ known as the ‘hyena,’ or ‘Bohemian’ of the street.—Knick. Mag., lvii. 635 (June).

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1886.  Both of these men are kerbstone brokers.Pall Mall Gazette, May 14. (N.E.D.)

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