Literature Reference: Orchid and musk perfume the bedding, while golden copper nails adorn the carriage. Source from 'He Chun Shen Er Shi Shou Er Shi' by Bai Juyi.
金: Gold, the precious metal. Symbolizes the prosperity of wealth and abundance.
铜: A metallic element, often signifying a dependable and resilient figure in names.
Meaning: Gold and copper symbolize wealth and steadfastness, implying prosperity and unyielding strength.