Confederacy, Richmond, Va., May 3(1), 1863. blue cds (Powell type 5b) missing "1" in "31" in date stamp tying 1862, 5¢ blue, pair (four margins) on cover to Keswick Depot, Va.; cover toning & small edge repair at right, Fine, a scarce postmark in blue used for approximately two weeks in May of 1863, this day mark error described in Powell (pg. 72). Scott No. 7  Estimate $100 - 150. $0 (Image)