Carson City., U.T. Blue straight line postmark with manuscript "Dec. 10" date on cover to Ohio franked with manuscript cancel 1857 10Ā¢ green type V, adhesive tied by manuscript docketing "Old Letters of G.W. Gridleys/Preserve Carefully", repeated at left, Very Fine and a scarce straight line postmark; with 1981 P.F. certificate. EstimateĀ $200 - 300. $0 (Image)