First we feel like know even when the condition of the nose is clean or faulty . The amount depends on the vintage (which determines as big as the berries) as well as more than a varietal makeup. The other common fault is the cork taint or 'corked' wine. https://tinperiod1.bloggersdelight.dk/2025/04/28/ruou-chivas-regal-18-nam-mui-huong-vi-quy-phai-trong-thuong-hang/