Ben Nevis 21 Years Old TBWC Batch 15 is a single malt from the Ben Nevis distillery, bottled by pleasantly eccentric independent bottler That Boutique-y Whisky Company. Batch 15 matured for 21 years and was bottled in 2019 at 48.5%. The guy on the label is sitting at the top of the Ben Nevis mountain, looking at the Ben Nevis distillery and drinking… this exact bottle of Ben Nevis whisky. Inception! Only 382 bottles of Ben Nevis 21 Years Old TBWC Batch 15 have been released.