Home Learn Double magnum Decanter Staff November 11, 2010 Bottle of 3 litres equivalent to 4 normal (75cl) bottles. In Champagne this size is called jeroboam. Written by Latest Wine News Police investigate grape heist as Riesling and Sauvignon Blanc go missing in Rheinhessen A royal affair: California wines and historic spirits served at Trump’s state banquet Birds of prey protect wine grapes at England’s Rathfinny Obituary: Jan Boland Coetzee, South African wine and rugby great Château Latour 2012 re-released in a subdued market