unsilvered
/ʌnˈsɪlvərd/Definitions
1. adjective
not silvered or plated with silver
“The unsilvered mirror hung in the hallway, its dull surface a stark contrast to the gleaming silver vases on display.”
2. adjective
not coated or covered with silver or a silver-like substance
“The unsilvered telescope lenses required regular maintenance to ensure optimal viewing quality.”