Swiss National Bank, third issue  (1918-1952)

For this third series, only five banknotes will be developed over a period spanning from 1918 to 1930: three 20 francs notes and two 100 francs notes! Three of them will not be issued and kept in reserve. This is the 20 francs Type 1923 says 20 francs "Fribourgeoise" (Ref. Pick: # 32 or TBB: # B322), 20 francs Type 1926 says 20 francs "Pestalozzi I" (Ref. Pick: # 38 or TBB : # B323) and 100 francs Type 1918 says 100 francs "William Tell I" (Ref. Pick: # 10 or TBB: # B325). Two banknotes will be put into circulation: the 20 francs Type 1929 says 20 francs "Pestalozzi II" (Ref. Pick: # 39 or TBB: # B324) and the 100 francs Type 1918 says 100 francs "William Tell II" (Ref. Pick: # 9 or TBB: # B326).