1c Deep Green (279).
Barest trace of hinging, with right part imprint selvage,
perfectly centered with Jumbo margins, Extremely Fine Gem, with 2017 P.S.E. certificate (OGph, Gem 100 Jumbo; unpriced in SMQ above the grade of 100, SMQ $400.00 as 100), this is the highest grade possible and it is shared by only one other hinged copy, no Mint N.H. examples have achieved this ultimate grade
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