1880s Fort Postmarks, group of three comprising "Fort Custer Mont. Sep 19 1884" on #210 to Washington D.C., "Fort Bennett, Dakota, Oct 4 1887" on #210 to Saugerties N.Y. (small edge stain), and "Fort Buford Dak. Apr 2 1889" purple cds with star cancel ties 2¢ green #213 to Wilmington Del., F.-V.F., a scarce group. Estimate  $200 - 300. $0 (Image)