Stunning Blue Decorative Art Glass Face Mask Portrait with metal stand.
I have placed a ruler in two of the photos to show the size, the depth at the deepest part - the nose - is about 3 inches.
I have shown the piece standing up on the stand, leaning against a wall, myself holding it, and also lying flat on white paper. It could also be hung on a wall in some kind of hanger.
There are a couple of burst bubbles within it which probably happened during manufacture, the last photo shows the largest one, they could easily be sanded down as they are slightly rough to touch. There’s also a couple of small inclusions but nothing major.
If you would like more photos please ask.