Bald Mountain, Colo., Apr 10, cds with matching target handstamp tying 1870, 3¢ green on small cover to Denver, manuscript "April 73" docketing at left, Very Fine, the only known territorial postmark from Bald Mountain which was the preceding post office name for Nevada. Estimate  $300 - 400. The Post Office Department had its own ideas about post office names. In this case, confusion with Nevada City, California, was the stated reason for a name change. However the residents after refused to accept the change as applying to the town. $0 (Image)