Is anyone familiar with Portuguese makers marks please? …im hoping im right that the fineness mark is Portugal, Lisbon, .833, 1938 to 1985, 
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In the photo I couldn’t clearly see the lower hallmark. If it is an animal, it must really be Portuguese silver. If there is a boar it is silver from the period 1887-1937, if it is an eagle it is from 1938-1984.