$ 27.000.000 per gram. That’s the estimated cost of Californium, world’s most expensive element. So if Diamonds are so yesterday for you, why not get your fair share of Californium with our slightly more affordable wiki poster on Californium?
Our posters are available in two sizes – 12×16 inch (ca. 30x46cm) and 18×24 inch (ca. 46×61). For more information about sizes, please see our size guide.