stage I (14.Aa, position 70), used alongside 1904 1c Green (9) and 1906 1c on 20c Violet (16a.6, accents on "Panama") on registered cover to Montpelier, Vermont, July 28, 1908 Ancon datestamp and Cristobal boxed registry handstamp, light wear just affects stamps, otherwise very fine and scarce (Scott $200)