Maria's apartment is as described in the text and photos. It's location - just a block away from the Champs Elysees and a ten minute walk to the Arc de Triumph was very convenient for our personal and business needs. A BNP Paribas ATM was 3 minutes away and the metro stop was equally close.
It is a spacious studio for Paris. It is spartan and simple but with all we needed to have a comfortable 4 day stay in Paris at a good value.
Check-in was precisely at the minute we agreed to, and Maria was quite gracious to allow us to check in earlier than the general policy.
Depending on its availability, I plan to return to Maria's the next time I'm in Paris.