20 Francs / Frank BEF Banknote (Interwar Period Issue) 1948

20 Francs / Frank Belgian Franc (Issued 1948)

The Banque Nationale de Belgique held the exclusive responsibility for currency issuance throughout Belgium during the post-war reconstruction period of 1948, a role that positioned the institution as the cornerstone of the nation’s monetary stability following the upheaval of the Second World War. Established in 1850, the central bank had navigated Belgium through multiple economic transitions and occupied territories, emerging as the sole legitimate authority for banknote production by the time this twenty franc denomination entered circulation. The confidence placed in this institution by the Belgian people and international trading partners was reflected in every security measure and design element incorporated into the banknotes it produced. This particular issue represents the early post-war monetary policy of a nation rebuilding its economic infrastructure and reasserting its financial sovereignty.

On the front, a classical male portrait in profile occupies the left-centre portion of the note, rendered in finely detailed engraving with careful attention to facial features, military dress, and decorative insignia upon the shoulders. The portrait appears in warm sepia and brown tones against a cream background, surrounded by an ornate rectangular border featuring geometric guilloché patterns and decorative corner elements. The denomination “VINGT FRANCS” appears prominently in the upper centre region, with text reading “BANQUE NATIONALE DE BELGIQUE” arcing across the top in capital letters. The word “TRÉSORERIE” is clearly visible in the right portion of the note’s face. The serial number “K 01 912188” appears in the upper left corner with corresponding numbering in the upper right, whilst additional numerical sequences run along the bottom margin. Intricate floral and ornamental engravings fill the space between the portrait and the right edge, creating a densely decorated aesthetic typical of mid-twentieth-century European currency design. Two signature blocks are present in the lower portion, indicating authorisation by designated officials of the central bank.

The reverse displays the text “NATIONALE BANK VAN BELGIË” at the top centre in ornate serif typography, with the denomination “20 FRANCS” positioned below. An elaborate architectural illustration occupies the right portion of the composition, depicting a Gothic or classical style building rendered in fine crosshatching and linear engraving. A circular white space marked “THÉSAURIE” sits prominently on the left side of the reverse. The entire design is framed by an identical ornate border featuring geometric patterns and emblematic elements at each corner, maintaining visual consistency with the front. Decorative elements including scrollwork and small institutional emblems appear throughout the border design. The overall colour palette remains in the same warm brown and sepia tones as the obverse, with cream paper showing slight age-related discolouration that is typical of banknotes from this era.

Holders of this 1948 Belgian Franc banknote are encouraged to contact our UK currency exchange specialists for professional valuation and exchange services. Whether you have recently inherited Belgian currency from relatives, discovered this note within a collection, or possess examples from the post-war period, our expert team can assess its condition and provide competitive exchange rates. Contact our service today to receive an instant online valuation for your Belgian Franc banknotes.

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