Watch List notes:

(g) NNC MS63 | USA, 'Liberty Head' Double Eagle of Twenty-Dollars, 1879 $20, Philadelphia, Type 3, by James Barton-Longacre, coronet Liberty head left, below halo of thirteen stars, rev. Eagle akimbo, motto above encircled by thirteen stars and rays, milled edge, 6h (KM 74.3), lightly contact marked, otherwise with a residual lustre, more so to the reverse, very fine, in unrecognised 'NNC' holder, graded MS63 (Cert. #1104498).

Estimate: £1500 - £1800