Portuguese coat of arms (royal crown at top, shield within shield below, scrolls either side). Lettering surrounding. The outer shield contains seven castles. The inner shield contains five smaller shields arranged in the form of a cross; in each of these, in turn, are five pellets.
Obverse script
Latin
Obverse lettering
MARIA·II·D·G·PORTUG·ET·ALG·REGINA (Translation: Maria II, By Grace of God, queen of Portugal and Algarve.)
Reverse description
Large XX in centre, grape-vine wreath either side, date at bottom. Lettering surrounding
Reverse script
Latin
Reverse lettering
PECUNIA·MADEIRENSIS
XX
1842 (Translation: Money of Madeira 20)