France, 1900, Merson, 2fr gray violet & yellow, pristine mint example of this sought-after key value, nicely centered for this, immaculate o.g., n.h., fresh and Very Fine, particularly rare never hinged, ex-Gross; signed Behr and accompanied by his 1991 certificate. Maury Nos. 122. Scott Nos. 126  $2,000. $0 (Image)