"Montisferrati Ducatus". Orig. copper-engraving by J. Janssonius, published in Amsterdam, 1648-51. With 2 ornamental cartouches. 15:20,5 cm.
Monferrato. "Montisferrati Ducatus". Orig. copper-engraving. Published by W. Blaeu in Amsterdam, 1640. Orig. old colouring. With ornamental title-cartouche. 37:48,5 cm.