Old engraving -board of Natural History - XIXth century- Botanic

Ancient engraving - board of Natural History in colour nineteenth century

In color. 

from different sources. 

Thank you for looking at the pictures, all the boards were photographed.

They are old and sometimes have flaws, such as misses, cuts, stains, dirt.

The average plank size is 25x16 cm or 21.25x13.5cm average

The small engravings measuring 21.5x13.5cm are dated 1803 to 1807 and finely engraved by J. Sowerby - London