10c Green type I (31), usual light green shade, relatively well-centered showing full plumes at bottom, indistinct c.d.s., some improved perfs. at top, otherwise very fine, with 1983 P.F. certificate which states that 'it is genuine', Scott retail $650.00 photo est.

Details
10c Green type I (31), usual light green shade, relatively well-centered showing full plumes at bottom, indistinct c.d.s., some improved perfs. at top, otherwise very fine, with 1983 P.F. certificate which states that 'it is genuine', Scott retail $650.00 photo est.