<http://schema.org/about>
"Letterpress is literally a dying art; the inks were toxic and printers often died young. It is almost completely extinct, practiced only by a few hobbyists and craftspeople. As a teenager I used to visit a neighbour who did letterpress in his basement;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-product-design/keep-calm-with-posters-by-douglas-wilson.html>