Crowned portuguese arms flanked by value 160 and three flowers, and date.
Obverse script
Latin
Obverse lettering
MARIA· I· ET· PETRUS· III· D· G· PORT·
REGES· ET· BRAS· D·
17 86
·160· (Translation: Maria I and Pedro III, by the Grace of God, Regents of Portugal and Lords of Brazil.)
Reverse description
An armillary sphere in front of the Order of Christ cross, without mintmark.
Reverse script
Reverse lettering
STAB.
SUBQ. SIGN. NATA (Translation: Born under a steady sign.)