Skull & Crossbones Type III (Rohloff R-3), perfect strike ties 1869 3c Ultramarine to cover to Washington, Connecticut, "Waterbury Ct. Feb 10" datestamp alongside, 1870 docketing, extremely fine and fresh, one of the most attractive examples of this popular cancel showing exceptional detail, Rohloff rarity "RRRR", 2022 Philatelic Foundation certificate