It cost me exactly 26.532.171 gold. (Yes I like to keep records of my crafts). This does not include the cost of leveling up though. (That cost me 4.676.761 gold).
And no, I don't have an Obsessive Compulsive Disorder... I think...
You use the decimal comma! *Narrows down where you live*
This should be an interesting exercise, I wouldn't mind knowing for myself, in case I ever get crazy enough to quest wings (though with all these animated ones being pumped out, I don't know what else a girl could ask for emotion_kirakira). I'd ask Yum to provide proof of sale, but he's on hiatus atm, and I have no idea who he sold to.