Guadalajara, Mexico, 1/2 escudo, 1834FS, very rare key date. KM-378.2. 1.63 grams. Bold XF with hint of luster, small parts of rims crude. On page 50 of his comprehensive book on Mexican Republic gold (2004), Richard Long says about the 1/2E 1834 Ga FS: "Just two examples of this extremely rare coin appear in our records." (Estimate: $400 - 600)