Gold painted decor from Adler and Sullivan of Chicago, Illinois. Mostly from theatres and as bright if not brighter than the limelight that bounced off. Turn of the last century.

Banquet room frieze panel, Schiller Theatre building. 1891.
Banquet room frieze panel, Schiller Theatre building. 1891. Gold, silver, and bronze paint on reconstructed plaster. Collection of the Art Institute of Chicago. In the public domain. via https://www.artic.edu/artworks/151991/schiller-theatre-building-chicago-illinois-banquet-room-frieze-panel-restored
Recast of an 1884 residential light fixture made for the Louis Frank residence.
Recast of an residential light fixture made for the Louis Frank residence. Contemporary recast of an 1884 fixture. Cast plaster ceiling medallion. Urban Remains Company, Chicago. Fair use license. via https://www.urbanremainschicago.com/all-original-and-largely-intact-museum-quality-1884-sullivan-designed-interior-louis-frank-residence-light-fixture-cast-plaster-ceiling-medallion-26552.html
Panel from the proscenium arch of the Schiller Theater. 1892.
Panel from the proscenium arch of the Schiller Theater. 1892. Cast plaster with gold paint. Image © Architectural Artifacts. Fair use license. via https://www.architecturalartifacts.com/product-p/0316027.htm