Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
I see this as a white, yellow, red, blackI come up with a halftone black for the pot and borders. I guess you could do silver, but I don't think it's necessary.
If you're printing wilflex liquid silver, you're gonna want to flash it and put a layer of soft hand clear or other clear on top so it doesn't tarnish after the first or 2nd wash.