Watch List notes:

(g) Victoria (1837-1901), 'Shieldback' Sovereign, 1862, 'thick-bottomed 1', possibly over inverted 1 [?], second larger young head, W.W. incuse on truncation, rev. crowned normal shield in wreath, edge milled, 7.97g, 6h (Marsh 45; cf. Bentley 92; MCE 523; Spink 3852D), some faint cabinet friction, otherwise about extremely fine, the reverse much as struck.

Estimate: £400 - £450