Author:
Carl Friedrich Philipp von Martius (1794-1868), German botanist and South American explorer [John Murray II (1778-1843); Rudolph Oldenbourg (1811-1903); Johann Georg Cotta, Baron von Cottendorf]
4to (leaf dimensions roughly 27 x 21.5 cm): 1 p. Fifteen lines of text. On the recto of the first leaf of a bifolium, with the address on the reverse of the second leaf. Text complete and legible, on aged paper, grubby, worn and creased paper. An unusual and interesting letter of introduction, pointing out the international links in the European booktrade of the early nineteenth century.
