− Decrease quantity for Belgian Coal Mining Co. 50 Francs emergency WW2 issue, 17th May 1940, No 4382, with foil without mimeographed signature, EF Quantity + Increase quantity for Belgian Coal Mining Co. 50 Francs emergency WW2 issue, 17th May 1940, No 4382, with foil without mimeographed signature, EF Out of stock