Horizontal Watermark – “BNB" visible in the white frame; light blue and light violet ribbons with small inscriptions “Bulgarian National Bank" incorporated in the paper Obverse – the picture of Tsar B.. Read more »oris III in military uniform on the left; background color – blue Reverse – a picture of a Bulgarian woman on the right Artistic design – Vasil Zahariev Printed in Giesecke & Devrient, Leipzig, Germany In circulation from September 1943 to 16 March 1947.