American Postal Machine Company, Boston, Mass., Oct 31, 1894. Type D1(H) First Day of Use of any U.S. flag machine cancel, clear impression on clean cover franked with 1890, 2¢ carmine, dial competes a bit with ornate corner card, Very Fine and choice, this is the 'grandfather' of all us flag cancels, a gem (Langford CV $2,500). Estimate  $1,000 - 1,500. $0 (Image)

American Postal Machine Company, Boston, Mass., Oct 31, 1894. Type D1(H) First Day of Use of any US flag machine cancel, bold impression on clean locally addressed 2¢ green entire, Very Fine and choice, this is the 'grandfather' of all us flag cancels, a gem (Langford CV $2,500). Estimate  $750 - 1,000. $0 (Image)