Sardonyx, 6th-7th century. Setting, Constantinople, late 9th-early 10th century. Enamel center, Paris, c1300. Louvre.
Serpentine, 1st century. Mounted for the court of Charles the Bald, 9th century. Louvre.
Celebrating the beauty of life, the glory of art, and the miraculous wonders of humanity, while declaring war on fusspots and prisspots everywhere, and having a lot of fun in the process.