Set of 2 Antique Curtis Botanical Lithograph/Engravings c. 1807 and c.1805

These authentic antique botanical lithograph/engravings, are from Curtis Magazine c.1806 and 1807. Both are hand-colored and in wonderful condition. Beautifully framed in gilt and black wooden frames. Certificate of authenticity on back reads: Published about 1800 and beautifully hand colored at the time of publication the Curtis from the Botanical Magazine of that period, Is a fine original engraving.