Gold in religious iconography is used to signify holiness

https://www.telemundo.com/shows/al-rojo-vivo/curiosidades/double-eagle-moneda-de-oro-que-sera-subastada-podria-ser-la-mas-cara-de-la-historia-tmna3871301

Gold in religious iconography is used to signify holiness, bathing scenes in a radiant glow that feels sacred and enduring.