6p Chestnut (BW 21z).
Bottom margin T.S. Harrison imprint block of four,
from Plate 3 (upper), with “N” over “MP” (as had existed on the preceding 6p Blue), h.r. in top pair, bottom pair Mint N.H., faint overall gum toning, rather well-centered, a few separated perforations in the bottom selvage, Fine-Very Fine
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