Gerrit van Honthorst
The Beheading of St. John the Baptist

Circa 1510-1515
Oil on canvas
Church of Santa Maria della Scala, Rome

The figure at the top is an angel reaching down toward the saint's head with a crown of martyrdom.

More of St. John the Baptist

Photographed at the church by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.