The Union Must & Shall Be Preserved, green soldier and banner border patriotic design on cover to Chanhassen, Minn., franked with 1861, 3¢ rose (small flaws) tied by blue "Frederick, Md., Sep. 17, 1862" cds, with original enclosure datelined "Camp 3 miles from Boom, Boom" and content…We routed the rebels from Fredrick yesterday, it was a hard fight.; light cover corner wear at right, otherwise Very Fine. Scott No. 65  Estimate $100 - 150. $0 (Image)