Aged Mandheling, one of the most unique varieties of Mandheling coffee, undergoes several years of aging to develop distinctive flavors. The aging process results in flavors nearly devoid of bitterness, featuring herbal notes, a strong tea-like quality, and more. For this batch, coffee beans with a size of 20 or above were chosen and stored under constant temperature and humidity conditions in a vacuum-sealed package for 13 years before roasting.