The Tullamore Dew Trilogy 15 year is a limited edition whiskey that was released in 2018. It is a blend of three different whiskeys, each aged for 15 years in ex-bourbon barrels. The blend includes a single malt, a single grain, and a pot still whiskey. The whiskey has a deep golden color and a complex flavor profile with notes of honey, toffee, and spice. It is bottled at 43% ABV and is available in 750ml bottles.