(Washington) Glencoe, Or. 2 covers: first has manuscript postmark "Oct 15 1875" (illustrated in Whittlesey pg. 87) franked with pen cancelled 3¢ green Banknote, to Tangent; other with "Dec 10 1891" cds on registered usage to Portland on target cancelled 2¢ green entire+10¢ green small Banknote, Very Fine, both R-6. Estimate  $100 - 150. $0 (Image)