Marble Lace
That's a sculptural portrait of Maria Duglioli Barberini from 1621. How such details were made in the 17th century remains a mystery.

Marble Lace
That's a sculptural portrait of Maria Duglioli Barberini from 1621. How such details were made in the 17th century remains a mystery.
Tom Smith Related video: https://www.youtube.com/watch?v=5vX2GTXMSgI