(Ordem Militar de São Bento de Aviz). Instituted in 1162, revised in 1789. In silver gilt with green enamels, hallmarked with an eagle on the ring, measuring 27 mm (w) x 41.2 mm (h) inclusive of its integral ring, intact enamels, original ribbon, extremely fine.
Footnote: The Military Order of Aviz (Ordem Militar de Avis), previously to 1910 the Royal Military Order of Aviz (Ordem Real Militar de Avis), previously to 1789 Knights (of the Order) of Saint Benedict of Aviz (Ordem de São Bento de Aviz) or Friars of Santa Maria of Évora, is a Portuguese order of chivalry, founded in Portugal in 1146. It gave its name and coat of arms to the Aviz Dynasty that ruled Portugal between 1385 and 1580.

