1-1/2c Bister Brown, Presidential Coil (840). Mint N.H. joint line pair, perfectly centered, rich color, Extremely Fine Gem, with 2007 P.S.E. certificate (Gem 100; SMQ $825.00), this is the highest grade awarded, the P.S.E. Population Report lists just one line pair at 100, but we offered another in our May sale of the Depew collection