http://www.initialmsunglasses.com/M_VINTAGE_SUNGLASSES_COLLECTIONS/PERSOL_RATTI_806.html
I'm so sorry its been really long time to update the new shades now days...
I've been travel to sell my shades quite often so I really don't have a chance to put new stuff on my blog or site........
PERSOL RATTI 806 FOLDING
All of Persol folding models are quite popular.
806 is also one of beautiful folding model.
Because When you unfold the frame, almost same shape as 649's.
Also you see the bridge part (3rd photo), you will see persol logo on it.