Chtimulato wrote:Seems to fiber.
Probably. In the last photo you could have the idea of a fine grain. But the hole of the missing handhold looks not very deep.
Chtimulato wrote:There's something strange about the measurements : 35 cm is almost 14", which seems to be rather large. I guess the seller measured the crown diameter and not the playing surface...

I don´t think the seller is a musician. His other offers give the impression that he is trading with things from household clearances. - I own a Sonoc quinto which seems to be a little more slim than the one in the auction. So, I would say it´s a conga.