Lot
8 
Boulder NT Feb 20, 1861, manuscript postmark and matching cancel on 3¢ Star Die entire to Illinois, slightly reduced at left & few minor toned spots, Very Fine, A very rare cover from Boulder, Nebraska Territory, mailed only eight days before the office became part of Colorado Territory. Only four such covers are known (see the census in Charles W. Winter's Nebraska Postal History). One of the Gems of the Collection. Estimate $7,500 - 10,000.
For administrative purposes the Boulder Post Office appears as being part of Kansas Territory.
Realized: $5,250