Champagne Salon is one of a kind because this house produces only a single wine: the vintage Le Mesnil Blanc de Blancs. These days, one rarely encounters a bottle of Salon champagne. They are strictly limited and extremely expensive.
Useful links: https://quillandpad.com/2021/01/05/salon-le-mesnil-blanc-de-blancs-an-original-unicorn-champagne I https://www.champagne-salon.fr
