Three-quarter bust left of Urbain Le Verrier holding a compass in his right hand. In the background, a view of the Paris Observatory. At the top, date and denomination; signatures on the right. Denomination in the upper corners; banknote's number and alphabet in the lower corners., Neptune, crowned and draped, reclining on two dolphins to the right, crossing his legs and holding a trident. Cartouche containing the god’s name and a date on the right. In the background, Capricorn and Aquarius. Denomination in the upper corners and spelled out in full at the bottom right.