Had Clifford Schorer not been running late for a friend’s retirement party, he would never have stumbled across a 500-year-old masterpiece drawing that has the art world aflutter. It’s now anticipated that the work — “The Virgin and Child with a Flower on a Grassy Bank,” by Renaissance star Albrecht Dürer — could make Schorer, an entrepreneur from Boston, a very wealthy man. “We believe it will be worth a record price,” the 55-year-old told The Post. “The speculation is that this will be at least $50 million.” His wild ride began in 2019, when he was driving his 2012 Prius on Interstate 495, en route to New Haven, ... (full story)