Title page with an allegory of commerce and the De Medici family coat of arms, Near a richly decorated coat of arms sits a female personification holding the horn of plenty (prosperity) and the caduceus (peace). At her feet is a scale (justice). Next to her are two putti holding a horn filled with money and an olive branch (symbols of prosperity and peace, respectively). Behind the female figure stands Mercury, god of trade, holding a stick purse. To the left, a ship is moored. In the sky adorns the De Medici family coat of arms carried by the trumpet blowing Fame and two putti. print maker: Gerard de Lairesse, (mentioned on object), 1670 - 1675, paper, etching, height 228 mm x width 160 mm.