Lot
218 
Fort Keogh, Mar 30, 1881, Montana., blue rectangular postmark duplexed with Indian Head fancy cancel on 3¢ green entire to Springfield Center N.Y.; original datelined letter accompanies concerning family matters, Very Fine and rare Montana Territory use, ex-Beals. Estimate $500 - 750.
Fort Keogh was established in 1876 after the Battle of Little Big Horn as a base of operations against the Sioux Indians. The use of an Indian Head fancy cancel is quite appropriate.