Welcome to the forum. From what i can see you have purchased a decent keris, worthy of collection for sure. Keris can be found in many quality levels and i would not necessarily classify this as "high" quality, but it seems fairly well made. What determines a high quality keris goes a bit beyond just the number of layers of the pattern welding. I will leave it to other to speak to the origins and classifications of this particular keris since Bugis keris are a little outside my focus. Better and more detailed photographs would certainly help though.