Countermark Crowned G and 82.10 on Brazil 6400 Reis, KM#226. Spurious countermarks on KM#27-29 lack the raised decimal point between 82 and 10. Host coin: bust of Maria I, with headdress veil, facing right; date e mintmark below.
Obverse script
Latin
Obverse lettering
G
82.10
MARIA.I.D.G.PORT.ET.ALG.REGINA
1799 R (Translation: Maria I, by the Grace of God, Queen of Portugal and Algarves.)
Reverse description
Remaining details from host coin: royal arms of Maria I.