BELGIUM. Societe Generale de Belgique. 100 Francs, 1914-1918. P-90. PCGS Extremely Fine 40. Serial Number 3.This is the highest denomination of this run of low serial numbers from Belgium. This 100 Francs note is also seen with Serial Number A000003. Repaired Tears, Pinholes mentioned in the comments section. This is the finest we have handled, and the first for the date. We are happy to offer it with the desirable low serial number.