This is an Aesthetic Dressing Table mirror. We have only had one other like this. Most likely Parker, Meriden Connecticut. American Circa 1880. Glass is in excellent condition. Finish is a warm patina. It has a perfectly functioning locking mechanism that allows you adjust the mirror to the desired angle.
Dimensions (at their widest point in any direction): Height: 14", Width: 9.75", depth is 7.5"