Hall, like many trade observers, see how difficult it has become for Sotheby’s and Christie’s to present high quality evening sales of Old Masters in post-Brexit London in both June and December.

Exit from the single market making it harder to import art, auction house warns.

"The accounts cite a number of risk factors to the health of the art market including the “overall strength and stability of the global economy” and Brexit." / " Increased red tape from Brexit is “adversely affecting” Sotheby’s ability to move art between the UK and Europe..."