Maurice shehata oud

I am in a somewhat interesting predicament. I have purchased a few of these ouds and I am being offered more. My concern is to the instruments authenticity. I am no expert in musical instruments but I do enjoy buying them. For the price I am paying these seem too good to be true but i dont know wheter these are made by mr shehata himself or one of his apprentices or if they are genuine at all.

Any input is greatly appreciated. I really have to stop buying shiny things.