A team of specialists is trying to prove that a canvas bought for less than $50 was painted by the iconic artist—and is worth $15 million.

Antiques experts believe they have verified a long-lost Vincent Van Gogh masterpiece which was originally purchased for around £40 at a garage sale in the US.

Members of the Laurelwood Garden Club celebrated famous artists from the 18th and 19th century at their 15th annual ...