Understand that 'Schilling' is obsolete and of historic interest, relevant for old texts or discussions about Austrian history. During my research on the Austrian economy, I often came across references to the Schilling.
Pro Tip 2/2
Euro's Predecessor
The Euro replaced the Schilling in 2002, so it's important when discussing the EU's financial history or Austria pre-Euro. Austria adopted the Euro in 2002, putting an end to the Schilling.