Robuta

https://www.christies.com/lot/lot-bernardus-viegers-a-dutch-canal-5411663/?from=salesummery&intobjectid=5411663 Bernardus Viegers (1886-1947) , A Dutch canal | Christie's 1947 a bernardus 1886 dutch canal https://www.christies.com/zh/lot/lot-5289969 Louise Lawler (b. 1947) , A Spot on the Wall | Christie's on the wall louise lawler b 1947