Milwaukie, O.T., March 3. Manuscript postmark (type 1) on 1855 folded letter with "Paid 3" to Salem O.T (letter dated 1 March 1855), probably sent by Willamette River steamboat to Oregon City, then around the falls and by another steamboat to Salem, Extremely Fine, a clean and fine territorial use (Rarity A). Estimate  $500 - 750. $0 (Image)