Inscription: Around oval: COSMVS MEDICES MAG. DVX ETRVRIAE. I
Possibly Thomas Herbert, 8th Earl of Pembroke (British); By descent to Reginald Herbert, 15th Earl of Pembroke (British)
Bartsch, XVIII.112.140; De Grazia Bohlin, no. 136; Bohn 1995, no. 3901.129, second state of two
Adam von Bartsch Le Peintre graveur. Vienna, 1803.