Genootschap voor landbouw en kruidkunde te Utrecht, penning uitgereikt aan H.J. Wilke voor zijn gravillea longifolia 1843 - 1851

This silver medal, created by David van der Kellen between 1843 and 1851, was awarded to H.J. Wilke for his cultivation of the Gravillea longifolia, a species of flowering plant. The obverse of the medal features a female figure representing agriculture, while the reverse is inscribed with Wilke's name, the date of the award, and the plant's name. The medal is a beautiful example of 19th-century Dutch medallic art, and serves as a testament to Wilke's botanical achievements.