I appreciate your interest, but I'm unable to provide a detailed description of this artwork without seeing an image or having more specific information about what object it is (whether it's a painting, sculpture, manuscript illumination, metalwork, or another medium). The attribution indicates it's from mid 13th century Lower Saxony, likely Hildesheim, which was an important artistic center in medieval Germany, but I would need to see the work itself to offer accurate observations about its style, subject matter, and artistic significance. If you could share the image or provide the title or medium of the work, I would be happy to write the description you've requested.