Possible Clues:

• A former technique of mixing powdered gold with mercury to gild cheap metal, now replaced by safer alternatives
• Copper, zinc and tin alloy
• Walls of unusual room renovated in shiny coat
• Gold leaf or gilt metallic ware
• Gold-coloured alloy in furniture decoration
• Ersatz gold leaf
• From the French for “powdered gold”, an 18th and 19th-century decorative technique used for clocks and similar articles
• Gold-like decoration
• Brass resembling gold
• Gold leaf in unusual room, with centre in blue