C'Rhum x Grosperrin Bon Bois n°91 is a single cask bottling of cognac aged 34 years.
This unique cask has been selected in collaboration with Grosperrin, a merchant and breeder in the Charente region who unearths nuggets from small producers.
This is a cognac distilled in 1991 which benefits from the "bon bois" controlled appellation.
