Four Roses Limited Edition Small Batch 135th Anniversary + Bourbon Expo MASH BILL: 95% of the blend is drawn from the OE mash bill (75% corn, 20% rye, 5% malted barley) and 5% from the OB mash bill (60% corn, 35% rye, 5 % malted barley)AGE: A blend 12-, 14-, 16-, and 25-year-old barrels PROOF: 108 Proof. Amazing berry aromas with sweet tea, cardamom, honey, and cinnamon gum. On the palate, a harmonious deep berry fruit with licks of honey and caramel. This is bright but with touches of age throughout. Masterfully done blend.