Treasury Dept., 1873, 12¢ brown. Tied by neat "Washington D.C., Reg" oval handstamp on registered legal size official business cover to Walpole, Mass., light purple "Registered Mail, Division of Loans and Currency" handstamp dated "Nov 17/83", Very Fine. Scott No. O78  Estimate $1,000 - 1,500. $0 (Image)