1866 Liberty Seated Silver Dollar. Motto. Proof-62 (PCGS). A fully struck, universally reflective specimen with light toning in silver-gray, powder blue and iridescent rose-apricot. Popular as the premier Proof in the Motto portion of the Liberty Seated dollar series, the 1866 is also associated by date with a scarce and conditionally challenging circulation strike issue. Both type and date collectors are sure to compete for this pleasing specimen. PCGS# 7014. NGC ID: 252M. From the Steven Jay Ball Collection.