In 2022, conservators X-raying a Van Gogh painting in Edinburgh found a hidden self-portrait of the artist on the back of the canvas, concealed for more than a century under layers of glue and cardboard

<img border="0" hspace="10" align="left" style="margin-top:3px;margin-right:5px;" src="https://timesofindia.indiatimes.com/photo/135308668.cms" />A self-portrait of Vincent van Gogh was discovered concealed behind another painting after man