Giovanni di Paolo, The Vesting of St. Anthony of Padua
Pinacoteca Vaticana, Rome
Regarding the attribution, the museum's label is ambiguous, but this does appear to be a genuine work of Giovanni di Paolo. In addition to the style, the monk investing the saint has nearly the same face as the Nicholas of Tolentino in di Paolo's
Madonna and Child with Saints
This image in full resolution
More of St. Anthony of Padua
Photographed at the Pinacoteca Vaticana by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.