French, Poirre Dye Factory Seal, Image & Found by Jim Ward.
Found near Selby, North Yorkshire, 20mm.
(S)OCIÉTÉ ANONYME curving downward / DES / (MA)TIÉRES COLORANTES / peacock / PARIS in box / ... S ... curving upwards // USINE / POIRRE(R)
Appears to be a seal from a French factory producing dyestuffs and other chemicals (the missing inscription curving upwards probably says ET PRODUITS CHIMIQUES).
Philippe Lanez has found the following article about Mr. Alcide POIRRIER and history of the color products of the plant in Saint-Denis, Necrologie : Alcide Poirrier.