France, Alsace-Lorraine, 1870, 5c Yellow Green, Burelage Reversed, tied by "Falkenberg, 25.4.71" boxed date stamp on folded letter with second strike at right, Very Fine and scarce; signed Calves. Maury No. 4b. Scott No. N11  Estimate $1,500 - 2,000. $0 (Image)