BERLIN, Nov 29 (Reuters) - A striking self-portrait created by artist Max Beckmann during World War Two after he fled Nazi Germany is expected to fetch up to 30 million euros ($31.11 million) on Thursday, a record for a painting sold at auction in Germany. Auction house Villa Grisebach in Berlin estimates that 'Self-portrait in yellow-pink' will attract bids of up to 30 million euros. The self-portrait, painted in 1943, is a rarely seen masterpiece, Micaela Kapitzky, director and partner at Villa Grisebach, told Reuters. "The opportunity to buy a Beckmann self-portrait of this quality will not come up again....