Robuta

https://www.sothebys.com/en/auctions/ecatalogue/2019/fine-art-society-l19350/lot.207.html

https://www.christies.com/lot/lot-arthur-melville-arsa-rsw-rws-the-chalk-5645847/?from=salesummery&intobjectid=5645847

https://www.sothebys.com/en/auctions/ecatalogue/2016/scottish-art-l16135/lot.3.html