(Route 6000m) Steamer Cora, bold red oval handstamp on folded letter datelined "Camden Ark. Jy 13. 1848" to New Orleans La.; endorsed "Cora" at lower left, Very Fine. Milgram No. 291  Estimate $200 - 300. A contract route to Camden on the Ouachita River in Arkansas was not contracted until March 1849, and then only by the trip at $10. The Route 6000m was just under 600 miles and provided a weekly service from New Orleans. $0 (Image)