2c Brown (113). Tied by quartered cork on Mason & Co. Philadelphia stamp and coin dealer's advertising cover to Ithaca N.Y., small repaired nick at top left, otherwise Fine, scarce use of 1869 Issue on early stamp dealer's advertising cover, Ebenezer Locke Mason was one of Philadelphia's founding stamp dealers and an early rival of J. W. Scott, he published Mason's Coin and Stamp Collector's Magazine, which was noted for attacks on rival dealers, ex Mack, illustrated in Rose 1869 book (p. 26)

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