1850 AD., Portugal, Maria II, Lisbon mint, 20 Reis, KM 482.

Portugal, Maria II (1834-53), decimal coinage, Lisbon mint, 1850 AD.,
20 Reis (37 mm / 23,90 g), copper, mintage 1.802.697 ,
Obv.: MARIA II DEI GRATIA , crowned shield of arms.
Rev.: PORTUGALIÆ·ET·ALGARBIORUM·REGINA / 1850 / XX , latin value numeral XX within wreath; rest of legends around, date below.
KM 482 ; Alberto Gomes M2-34.04 .