gold letters; letters written in gold paint
Refers to characters or text rendered in gold, often for decorative or ceremonial purposes. Related to 金文字, which can also mean gold letters but may be used in different contexts.
See also: 金文字
The name was written in gold letters on the certificate.
金文字 also means gold letters, but 黄金の文字 emphasizes the material or color of gold more poetically, while 金文字 is a more straightforward compound.
Compound of 黄金 (こがね, 'gold') + の (possessive particle) + 文字 (もじ, 'letter, character'). The exact historical derivation is uncertain, but the expression is straightforwardly descriptive.