Canal Zone 1914 10c rose carmine Postage Due stamp (#J3) tied by black 4-bar killer on cover from India with 4 anna due handstamp and with censor's handstamp and tape to Gatun with Feb. 26, 1915, REC'D backstamp and forwarded on to Cristobal. Cover with substantial wear including some splitting along file fold. Still a Very Rare on cover usage from a most unusual origin. A Showpiece!