How do you celebrate 40 years of dedication to the world of whisky? With a phenomenal 40 year old whisky, of course! Johnnie Walker 40 Year Old Master's Ruby Reserve was made to honour master blender Jim Beveridge OBE and his 40 years of work at Johnnie Walker. The Master's Ruby Reserve is comprised of eight casks of 40 year old whisky, specially selected by the aforementioned master blender, including a few from some closed distilleries. 398 bottles of this whisky were produced.