6c Black, 1879 Issue (PR60). Mint N.H., deep shade and proof-like impression reminiscent of the 1894 Bureau Issue and certified as such by P.S.E., well-centered, Very Fine and choice, with 2006 P.S.E. certificate as Scott No. PR93 ($11,500.00 catalogue value), with 2021 P.F. certificate as Scott No. PR60 (and stating Mint N.H.), Scott value as hinged PR60 (unpriced as Mint N.H.)

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