These antique engravings date from the 19th century and were produced in France by the company L. Turgis (Paris). The portraits with the flaming heart as a motif show Mary as "Saint Cœur de Marie" and Jesus as "Sacre Cœur de Jesus". The prints with magnificent wood and stucco frames are each protected by a pane of glass. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution