Completion of the locks at Katwijk 1807, print on cardboard

Glued together incuse impressions in cardboard of obverse and reverse of the medal, on the obverse Neptune in a shell drawn by hippocampi next to a horn-blowing merman, on the shore a seated river god, with legend and edge text, on the reverse the view of the locks with above five lines of text and below a small crowned coat of arms of Rijnland between branches and the year.