Painting that hung in servants' quarters at Welsh mansion for years is masterpiece worth £67m

Young Man Holding a Roundel hung at Plas Glynllifon, in Wales, for decades and was sold 'for a few shillings' when the Newborough family sold the mansion unaware it was a rare masterpiece. https://www.dailymail.co.uk/news/article-9213437/Painting-hung-servants-quarters-Welsh-mansion-years-masterpiece-worth-67m.html?ns_mchannel=rss&ns_campaign=1490&ito=1490