This is on the back:
"Beau Brummel" Paired with "Ladyc Faire"
A Silhouette of distinction from an old original hand cutting,
uniquely transferred in enamels to glass
preserving the full sharpness of detail.
ANOTHER "RELIANCE" Product
T-4
Don't know much about it other than it was my great grandmothers.
With frame it measures 5" x 4".