Watch List notes:

(g) NGC XF45 | Costa Rica, Republic, Gold ½-Escudo, 1851-JB, San Jose, AMERICA CENTRAL, figure standing, at ret on tablet, rev. National arms, edge milled, 1.60g, 6h (Fb. 10; KM 97), evenly circulated and lightly toned, good fine, only 6,565 struck, in NGC holder, generously graded XF45 (2780552-017).
Provenance
Heritage, 'Weekly Auction' 231308, 21 February 2013, lot 60098 - $275
Estimate: £100 - £140