1921 Missouri Centennial. Plain. MS-66 (PCGS).Lovely autumn-russet patina partially encircles the peripheries on both sides of this otherwise medium silver example. An original and frosty coin with a bold strike and silky smooth surfaces. Scarce in this grade, our multiple offerings in this sale notwithstanding.PCGS Population: 54; 3 finer (all MS-66+).