Here you go: "Bullion traditionally stands for gold bars, silver bars, and other precious metals bars or ingots." I think that yuan is Chinese currency, and yen is Japanese.
My old maths teacher marked my class exam paper @ 99%. I knew I had all the answers correct and so I queried him. If I marked you @ 100% that would mean that you were as good as me, and you aren't. I learned more than maths from him :-)