Watch List notes:

(g) NGC AU55 | USA>, 'Liberty Head' Double Eagle of $20 1890-S, San Francisco, by James Barton-Longacre, edge milled, 33.42g, 6h, residual brilliance, in NGC 'Gloriana' holder, graded AU55 (Cert. #5880282-003).

Estimate: £1500 - £1800