(Skamania) Cascades, Wash., Aug 10 1874. Double circle postmark (type 2, 1 of 3 reported & earliest known use) on cover originating from San Francisco to Dallas, Ore. franked with 3¢ Bank Note horizontal. pair tied by geometric cancel, rough opening at right affecting 1 stamp, Fine. Estimate  $100 - 150. $0 (Image)