I did think that, I’ve been trying to find it online still. I’ve been interested in his reference points for a while. The books he read etc. The man was a scoundrel and voyer for sure.
Discussion
It’s very hard! I had trouble myself looking up info when I got the art as an inheritance when my uncle passed. Mine May have info on the back with the certification. Will look when home.
But for now..
‘salvador dali - 6 headed dragon’
Here’s a pic of what the picture is, this one is not mine as mine is bigger and in a different frame. 
It’s magnificent isn’t it. Very lucky to be given this I think.
Why 6 heads? Never heard of a 6 headed dragon before have you? Even in mythical tales. Interesting.