1849-O Liberty Seated Dime. Fortin-101b. Rarity-4. Large O. MS-64 (NGC).Charming antique silver surfaces are lightly and evenly toned over soft satin luster. Sharply struck, especially by the standards of the issuing mint, with remarkable preservation in a survivor of this 300,000-piece mintage. Typically encountered no finer than VF, the 1849-O is scarce in EF to AU and rare in Mint State. A find for the advanced Liberty Seated dime and/or New Orleans Mint enthusiast.