Indeed, experts soon connected the sketch to George Romney, an 18th-century British artist whose portraits are prized at museums across the world. Now, it’s set to be auctioned by Roseberys London.

How did this mid-18th century drawing from England end up in the trash in upstate New York?” The drawing bears the label “G. Romney” on its mount and the artist’s studio stamp on the reverse.

Museu de Arte Contemporânea Armando Martins opens on 22 March, at a time of significant growth in Lisbon’s art scene ...