1854-O Liberty Seated Half Dollar. Arrows. WB-5. Rarity-3. MS-63 (PCGS).Moderately toned in golden-gray, the reverse also exhibits blushes of warmer reddish-russet here and there around the periphery. Boldly struck and satiny Choice Mint State quality for the brief Arrows, No Motto Liberty Seated half dollar design type of 1854 to 1855.