Nicolai Foss
While Selmers are undoubtedly the reigning kings of gypsy guitars, Favionos and Busatos are right next in the hierarchy. Here is a nice example of the seldomly traded Busato guitars. Note the back. There are 8 days left. I would be surprised to find it trading for less than 3,500 Euros.
UPDATE: It ended at 1,905 Euros. Somebody made a bargain!