Open Date = 10-1-2020 Tasting Date = 5-19-2021 Weeks open = 32 weeks Tasting proof = 112.6 Bottle Fill Level = Last 1 ounce saved in 6cl sample bottle Still absolutely delicious and I will compare this "Cask Exploration Series" to my first bottle of Octomore when I open. Truly great peated whisky!