The Guardian Angle, a colorful retailer vintage lithograph

This is a beautiful vintage lithograph showing a guardian angle watching over two children. The colors on this print are very soft and vibrant. The print measures 16 retailer by 12 inches (17.5 by 13.5 inches framed).
The print appears to be 70 or more years old. The number 5227 is printed in the lower left corner and "Litho in USA" is printed in the lower right corner.
The frame is handmade with patagonian rosewood. The backing materials are new and the cover is clear acrylic.