5c Blue, Coil (351). Pair, well-centered with nicely balanced margins, deep rich color, duplex cancel, Very Fine and choice, like the other 1908 flat plate coils, this is an exceedingly difficult issue to find used in sound, centered condition, with 2015 P.F. certificate (VF 80), this is the only VF 80 grade awarded by the P.F. to a used pair of this issue, with none higher, by way of comparison P.S.E. lists only one pair graded higher than 80 (a single pair graded XF 90)

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