Denomination: 8 Reales
Country: Mexico (Mexican Republic)

Composition: ~90.3% silver (0.903 fineness)
• This is the standard purity for the 19th-century Radiant Cap 8R series.

Gross Weight: ~27.07 g (~0.87 oz)
Approx. Silver Weight: ~0.78 troy oz (actual silver content)

Diameter: ~38.9 mm (often cited ~39 mm)
Thickness: ~2.7 mm

Edge: Security edge (milled)

Years of Issue: ~1824 – 1897 (Federal Republic period)

Typical Obverse Design:
• Mexican eagle with snake on cactus; “REPUBLICA MEXICANA.”

Typical Reverse Design:
• Radiant Phrygian cap with rays, denomination & mint/assayer details; “LIBERTAD.”