River Express. 3 covers; including the only known manuscript cover with "River Express Paid" on 2¢ brown 1884 entire to San Francisco, Cal., normal green frank with red double oval cancel on 2¢ green 1887 entire and a corner card cover headed "If not called for in ten days"; small faults to first two covers, otherwise Very Fine. Estimate  $300 - 400. $0 (Image)