(Linn) Tangent, Oreg. 2 items: straight line Tangent, Oregon / Oct 25 1876, on 3¢ green Centennial entire, roughly opened at right; fancy purple sawtooth octagon cds 6 Dec 1883 on 1¢ postal card, F.-V.F. or better, both R-6. Estimate $100 - 150. $0 (Image)