This is the second of two I know around the city but I'm sure there are more, probably hidden away in discrete courtyards like this one.
Judging by the chipped paint and what's showing through this used to be painted a splendid red or orange but alas no more. We're back to boring black I'm afraid.
There's actually something of a plethora of curious plaques and signs of one sort or another hidden away behind those classic Parisian coachway doors. Watch this space. Or 'Mind Your Head' if you prefer.
And why not...