Portugal 400 Reis 1816 Joao (1799-1816). Obverse: Crowned arms; flanked by vertical value and date. Obverse Legend: JOANNES D G PORT ET ALG P REGENS *400* / *1816*. Reverse: Maltese cross; rosettes in angles. Reverse Legend: VINCES IN HOC SIGNO. Silver. KM 331. NGC MS 62