Unknown Artist (Italian, late 16th century)
or possibly after Domenico Beccafumi, called Il Mecarino (Italian, 1484-1551)
or possibly Imitator of Francesco Salviati (Italian, 1503-1540)
or possibly Pellegrino Tibaldi (Italian, 1527-1596)
or Style of Francesco Primaticcio (Italian, 1504-1479)