It is made of pure gold. In terms of materials, it is relatively expensive and the circulation is not very large. So it still has a good collection value. CCB's 800mg lucky money is so expensive because it is pure gold. "Year of the Ox" gold is refined from 800mg au 999 gold, and adopts the international advanced gold ultra-thin double-sided die-casting integrated molding process, with bright color, festive and auspicious.