Central Overland California & Pike's Peak Express Co./St. Joseph. Somewhat faint green oval handstamp on folded letter to "Hord's Mining Company, Nevada City, Rockey Mountains, care of COC&PP Express, St. Joseph, Missouri," franked with grid cancelled 1857, 3¢ dull red & postmarked "Lynn, Me., Feb 27, 1861", manuscript "Due 7" at bottom; minor edge wear, Fine and rare. Estimate  $500 - 750. $0 (Image)