Canal Zone, 1909, 1c dark green & black, pair + 2c red & black + 8c violet & black. Tied by target cancels on registered corner card cover to Wollaston, Mass., "Pedro Miguel, C.Z./Aug 4, 1910/Registered" postmark and boxed "Cristobal Registered" handstamp ties the 1c pair, Very Fine and choice. Scott No. 31+32+34  Estimate $150 - 200. $0 (Image)