Postiche

Definitely one of the best cocktail bar in Paris.
Minimal design, halfway between rustic and ancient, partly black partly red (cause of the floor tiles).
It’s a very small place as it can contain up to 20 people. It has very few seats even tho it’s built on two floors. The good thing is that tourists don’t come here: the street is not very known, so you’ll probably find just french people in here.
Also, the bar is very close to Les Halles metro station, that is handy as hell.
The atmosphere is awesome, it got me speechless: I’ve been overwhelmed and fascinated by its peaceful mood and Rachid, the owner, has been super nice to us! Most of all his taste in music led me to a wide range of unknown artists I would have never listened to otherwise! So great!
Standard Paris prices: 10 € for a cocktail, 5 € for a medium beer.
I repeat, definitely one of the the cocktail bar in Paris. Fosho.