Zoology - Herpetology Rösel von Rosenhof and Christian Friedrich Carl Kleemann, August Johann Copper engraving from "Historia naturalis ranarum nostratium". Circa 1758. on vergé. 10.3 x 22 cm (16.5 x 29.5 cm). Monogrammed and signed in the plate. Mounted in spots on support and under passepartout. With watermark (lily, without inscription). - From Rösel von Rosenhof's important monograph on frogs, which is also a masterpiece of zoological book illustration. - Soiling in the white margin. Motif cleanly preserved. Rare. Zoology. - Herpetology. - Copper engraving from 'Historia naturalis ranarum nostratium'. On vergé. Monogrammed and signed in the plate. Mounted in spots on backing and under passepartout. - With watermark (lily). - From Rösel von Rosenhof's important monograph on frogs, which is also a masterpiece of zoological book illustration. - Soiling in the white margin. Motif cleanly preserved. Rare.