Three coral book prints, after Eugenius Christoph Esper, German 1742-1810, from 'Die Pflanzenthiere in Ubbildungen nach der Natur', published Nuremburg 1791, including Madrep Tab. XX, Madrepora Agaricites; Madrep Tab. XXX, Madrepora Muficalis, and; Madrep Tab. Lxxxii, Madrepora capitata Variet., 74 x 54 cm, image size, 103 x 83 cm, frame size