Lot
885 
Fort Sedgwick, Col., Jun 27, clear cds with manuscript day, on cover to Waterbury, Ct. franked with 1861, 3¢ rose (s.e. at right) tied by matching target, Very Fine. Scott No. 65 Estimate $200 - 300.
Fort Sedgwick was established to protect the inhabitants of old Julesburgh against Indian raids. A hardship post, many of its buildings were nothing more than sod huts. The post office operated from 1866 to 1869 only.