CSA 7-R, 5¢ blue pair tied SAVANNAH / Ga. // Paid CDS on fresh commercially-made cover to Col Charles Spalding, Nankin Brooks Co, Ga.Nankin in a small unincorporated community in Books County which established a post office in 1856, which remained in operation until 1907. It was named for the large Chinese city on the Yangtze River. Ex Benson $125.