A user sent this in –
Galerie Bernard Jordan, Paris, did not return one of my unsold artworks after an exhibition. After emailing Jordan many times he finally admitted he could not find it back in any of his storages. He did not offer to pay for it. I was so kind to make him an invoice for less than the amount we had agreed on in case of selling it. But after several reminders he paid only a fraction of that amount.
Think twice before you work with this gallery. They maintain a high standard in respect to the quality of the art that they show, but not in respect to paying artists apparently.