Source: Banque National De Belgique, 20 Francs, 1940
This is an example of a light and shade watermark. It consists of a head in profile.
Additional Book Information
Banque National De Belgique, 20 Vingt Francs, #8252E0254, issued 16 April 1940. The original banknote measures 3-3/16" x 5-3/8" (81mm x 135mm).
