"1st Empire Patent With Dry Stamp"
Patent awarded to citizen Thomas Philibert RIBOUD by the first consul the 15th Pluviose of the year 12, with three signatures, the signature of Bonaparte and the dry stamp "in the name of the French people first consul Bonaparte" (slightly erase ink due to exposure of the patent to the sun. the three signatures are perfectly readable) 
Le Magazine
Rivista Artiquariato
TRÉSORS magazine