Dog's Head (Rohloff A-4), bold, perfect strike ties 1861 3c Rose (65) to cover to Saugatuck, "Waterbury Con Jan 9 '66" double circle datestamp alongside, docketing at left, extremely fine, the combination of the quality of the strike and cover almost certainly make this the most attractive example of this popular cancelation, Rohloff rarity "RRR" while the Crowe census records only seven covers, illustrated in Rohloff page 15, 2022 Philatelic Foundation certificate Provenance: Dr. Glenn Jackson (Not in his R.A. Siegel sale but pencil notation on reverse) Paul C. Rohloff (Private transaction) Gordon Eubanks (Private transaction)