Flour Bag Seal, Mercier Montivilliers, Image by StuE, Found by Goretex.
Found in England, 20mm, 3.8g.
Both sides have a raised circle border. In the first is MERCIER curved downward, (MO)NTIVILLIERS curved upwards and the letter A in the centre. The other side has FARINE (French for flour) curving downward, SUPERIEU(RES) curving upward and a flower head at the centre.
Montivilliers is a commune in the Seine-Maritime department in the Haute-Normandie region in northern France.