.. was a instrument retailer/maker in New York in the last decade of the 19th C, who's banjo's were probably made by Buckbee.  He was issued a patent for a tail piece and around 1895 the company changed its name to the Metropolitan Musical Instrument Co.

 

They marketed both 5, 6 & 7 string banjo's fretted or flush fret under the "Celebrated Benary" name engraved on a plate on the heel.

7 string flush fret Celebrated Benary

Robert H Benary

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Celebrated Benary