17 in L x 12 in W
Mater Divinae Gratiae translates to Mother of Divine Grace.
I was unable to identify what is pictured but it appears to be Mary crowned and standing beside an altar with the sacred heart centered above her and angels surrounding her.
This appears to be a print and is in its original frame. The frame is a bronzy gold color and has signs of age with blemishes that have been painted.
It’s a unique piece and would be cherished by anyone whom collects religious relics or is Catholic.