When was "Virgin and Child on a crescent moon" created?

This artwork was created late 15th–early 16th century.

What medium is "Virgin and Child on a crescent moon"?

Virgin and Child on a crescent moon is Gilt bronze.

Yes, Virgin and Child on a crescent moon is in the public domain and available for free download under CC0 license.

Ctrl K

Unknown Artist, late 15th–early 16th century