17c Black (623). Mint N.H., Jumbo margins and precise centering, intense shade and sharp impression on bright white paper, Extremely Fine Gem, 1992 P.F. certificate no longer accompanies, with 2012 P.S.A.G. (100J ogNH) and 2012 P.S.E. certificates (Superb 98 Jumbo; SMQ $300.00)