1898, 2¢ red, type IV. Three singles & a pair tied by segmented cork cancels on 2¢ Red registered entire to Mexico, postmarked "Nogales Ariz. Oct. 6, 1900" circular datestamp & red Nogales registry datestamp, affixed is El Paso Tex. registry label and Mexican registry handstamps, receiving backstamps, Very Fine and rare, a colorful and very scarce example of the El Paso registry label, which was affixed to registered mail crossing the border to and from Mexico. Scott No. 279B  Estimate $750 - 1,000. $0 (Image)