Master's Keep CORNERSTONE is the fourth release in limited edition Master's Keep series Ä and was the oldest rye whiskey ever released by Wild Turkey prior Master's Keep Triumph's release in 2024. For this one-of-a-kind Limited Edition, Eddie Russell hand-picked and set aside a secret lot of his oldest and rye whiskey barrels, all from 9 to 11 years, then leveraged his nearly four decades of experience to create a perfectly balanced spirit that showed off just what an American rye whiskey could be. Aromas of vanilla, black and toasted rye give way to cascading flavors of honey baked apple before a long and finish of spice arui oak. TASTE Cascading flavors of honey and baked apple AROMA Warm vanilla, black pepper, and toasted rye FINISH Remarkably crisp and clean, with long and lingering flavors of spice arui oak PROCESS 109 proof 9-11