Obverse: portrait in right profile of Carlos I
Obverse legend: CARLOS I REI DE PORTUGAL 1891
Reverse: Crowned mantled arms.
Reverse legend: 500 REIS
Edge: reeded
Denomination: 500 Reis
Country: Portugal
Ruler: Carlos I (28 September 1863 – 1 February 1908), was the King of Portugal from 1889 until his assassination in 1908.
Year: 1891
Mintage: 12?476?000
Metal: Silver (0.917)
Weight ±: 12.09 g.
Diameter ±: 30.5 mm