De Dolles 40th Anniversary brew XL Pale Ale. De Dolle Brouwers, Esen, Belgium, 15 November 1980 to 15 November 2020: 40 years (XL in Roman numerals is 40). Brewed with original floor malted Simpson Maris Otter pale-ale malt, dry-hopped with Poperinge Whitbread Golding hops, bitter orange peel in the old Copper Brew House that dates back to 1921, the restart after WW I.,