My periodic table poster is now available! Nazi iron certificate (scrip). This is a stamp redeemable for 25 kilograms of iron. If, that is, the Nazis hadn't lost. Source: eBay seller collect-a-thon Contributor: Theodore Gray Acquired: 19 November, 2008 Text Updated: 29 January, 2009 Price: $20 Size: 2" Purity: 0%