Mint N.H. with selvage at top, brilliant color, post-office fresh, mathematically perfect centering
With 1992 P.F. and 2008 P.S.E. certificates (Gem 100; unpriced in SMQ above the grade of 98, $1,450.00 as 98). This is the highest grade awarded to date and the only example to achieve this grade. The 20c seems to have much lower P.S.E. Population Report numbers in the higher grades than many others of this issue. It is clearly one of the more difficult denominations to obtain in higher grades.