There have been previous claims that the United Arab Emirates capital's department of culture and tourism bought the artwork - to ultimately have it displayed at the relatively new The Louvre Abu Dhabi. Then it went missing.
Artnet said "two principals involved in the transaction" had told its reporter that "the work was whisked away in the middle of the night on MBS's plane and relocated to his yacht, the Serene". Look, it's probably best if you get an invitation from the Saudi Crown Prince himself, but how is that going to happen?
The painting's authenticity as a creation of Leonardo da Vinci has been brought into question. The painting is now believed to be kept in an unlikely place - Saudi Prince's superyacht.
Earlier this month, one of the world's leading experts on Leonardo criticised Christie's for wrongly suggesting in its cataloguing of the Salvator Mundi that she was among scholars who had attributed the picture to the Renaissance master.
After saying the painting was originally found in shards and had to be reconstructed before its auction, he asks, "what harm could the occasional splash of seawater do?"