29 x 22 cm (11.5 x 8.5 inches).Frankincense - Boswellia carteriiFrankincense is an aromatic resin used in incense and perfumes, obtained from trees of the genus Boswellia.This is an genuine antique chromolithograph from Kohler's Medicinal Plants which was published in 1890 by Hermann Kohler. In an e..