Watch List notes:

(g) NGC MS63 | USA, 'Liberty Head' Quarter-Eagle of Two and Half Dollars, 1873 $2.50, 'Open 3', Philadelphia, by Christian Gobrecht, coronet head left, rev. Eagle facing left, milled edge, 4.19g, 6h (PCGS #7817; NGC ID# 25KN; KM 72; Fb. 114), a scuff in field behind neck, otherwise lustrous with much mint frosting, a pleasing extremely fine, in NGC holder, graded MS63 (Cert. #6295554-001).

Estimate: £300 - £400