Johann Jakob Biedermann (winterthur, 1763 - Zurigo, 1830) il Ghiacciaio Rosenlaui Penna, Inchiostro Bruno e Gouache, 460x750 MM al Recto, in Basso a Sinistra, a Penna e Inchiostro Bruno: "j. J. Biedermann" The Rosenlaui Glacier Pen, Brown Ink And Bodycolour, 460x750 MM On The Recto, Lower Left, Pen And Brown Ink: "j. J. Biedermann"
Pandolfini
Palazzo Ramirez-Montalvo
Borgo degli Albizi, 26
50122 Firenze, Italy
