Sky Glass is the TV and broadband giant's own foray into the TVs market with a set that offers the features you'd expect – a 4K screen, HDR and smart apps, but it's also got a trick up its sleeve.

A good piece of facon de Venise Whitefriars can bring prices in the high hundreds, while there are plenty of buyers for the vaseline glass shades and vases that characterise the Harry Powell era.