Dupotet de Sennevoye in Montmartre

Denis-Jules, baron Dupotet de Sennevoye (1796-1881) in D23. Practitioner of homeopathy and mesmerism.
Description: Bust of Denis on a pedestal in front of a large upright stone (both now gone); also note the cryptic symbol on the lower reverse side of the upright stone, consisting of an eye inside a triangle and both inside a sun shooting out rays of light with the words “Posse, Velle, Credere”, one on each side of the triangle.
Sculptor: Léopold Bracony.
Jouin 1897, p. 241 and 1902, p. 299.

This bust has been long gone but we now have an idea what it originally looked like: