It's probably a russian imperial stout, hopefully from Barclay Perkins.
I hope someone buys it and does an analysis of it and the yeast. I'd be fab if it was recreated. keep to the Fen Causeway
I shall use an enigmatic variation of that as an excuse sometime. You can't be me, I'm taken
the original is courage russian imperial Stout, even if it's not my favourite. keep to the Fen Causeway