This is a G.Verde accordion from the late 40's or early 50's. Very interesting tuning. This is the sound you would hear in the background of one of the old western movies. From the www.accordiongallery.com . At that website you will find one of the most passionate accordion men of our time. If you would like to hear this accordion click on this link http://www.youtube.com/watch?v=mCjgQeudWoo