4c on 2c Offices in China (K18).
Mint N.H., brilliant color on bright paper, unusually choice centering with wide margins, Extremely Fine Gem, with 2017 P.S.E. certificate (XF-Superb 95; SMQ $1,475.00), this is difficult to obtain in the higher grades -- only three have graded higher (all at 95J) and only four others share this grade, the highest grade we have offered in our auctions is a single 90J back in 2009
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