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I had two issues I wanted to resolve at La Maison du Bitcoin (in Paris). They are co-located with Ledger (hardware wallet maker) and offer Bitcoin for sale (as well as they buy BTC).
The first was a problem I had with my Ledger Nano, they fixed that right up.
And I bought a little BTC as a "souvenir" of Paris.
Highly recommended visit if you are ever in Paris, good people there.
35 rue de Caire, 75002 Paris, France. My souvenir photo:
https://goo.gl/f8soen