NGC XF40 | *Single Finest Certified* | William IV (1830-1837), N of ANNO in Shield Error Sovereign, 1836, second bare head right, nose to I, coarse beading on obverse, rev. crowned shield on mantle, N of ANNO struck in shield, edge milled, 6h (Stratos, lot 134, no. 4 this coin; Marsh 20A [R4]; MCE 493; Spink 3829B), some nicks to adams apple, and rubbed to hair, otherwise residually lustrous across original fields, a most pleasing example of the most remarkable and frankly ridiculous error in the long and illustrious history of the Sovereign coinage, only a dozen examples known to exist, from the same dies as the next coin, in NGC Baumhauer holder, sympathetically graded NGC XF40 (Cert. #2124460-036)