Orpheus charming the Animals; and Mercury playing the flute as Argus falls asleep

For the attribution compare the picture of the Expulsion of Hagar in the Hermitage, Saint Petersburg (N.Nikuslin, B.Asvarish, The Hermitage Leningrad, German and Austrian Painting of the 15th to the 16th century, 1986, n^.158, where dated circa 1760).