(Clark) Pioneer, Clark Co., Wash. Ter., Oct 30 1880. Purple sawtooth oval postmark (type 2, 5 reported, this the earliest known) on cover to Oregon franked with 3¢ green Banknote (defective perfs at top), Vancouver Wash. transit cds at ll, tear at top & reduced at left, Fine. Estimate  $200 - 300. $0 (Image)