On this early stamped/hollow PAB, the heavily worn areas (i.e. treads and coax) indicate that the base metal is brass/tombak. However, the more slightly worn areas (i.e. the lower wreath band) almost look like dull zinc. Would this early badge most likely be made of tombak/brass with a silver plating that has oxidized a bit to a dark color? Also, this one appears to have a frosted outermost coating. Just trying to educate myself on the construction and finishing methods used. Thanks.
Matt
Matt
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