This is a vintage dollhouse full length mirror made by Nicole Walton Marble and Julie Williamson. It measures about  9 7/8 Inches tall so probably more suited for a 1:6 scale unless you have high ceilings in your 1:12 dollhouse.  The mirror is full length and suitable for any room in a dollhouse. It is dated 1991 and has a label on the back of the mirror that says, "United Federation of Doll Clubs, Inc., New Orleans 1991, designed and produced by Williamson Walton Marble.  Very nice piece!