A better date with abundant remaining field luster and gray to almond toning. This is a slightly better date of a slightly better mint. The Culiacan mint struck half Reales 1846-49, 1852-63 and 1867-69. 

TOP POP as per NGC grading population 
Recorded mintage: unknown.
Specification: 1.69 g, .903 fine silver, .049 troy oz ASW. 
Catalog reference: KM-370.2.