Horizontal Watermark – “BNB", sickle and hammer Obverse – asymmetrical disposition; the coat of arms in the middle, the figure “5” in vignettes on the right and on the left, a shield with the inscription “People’s Republic of Bulgaria" against white background on the right, the serial number above it; background colors – blue, green Reverse – two hands holding crossed sickle and hammer in a vignette against the background of beams Printed in Goznak, USSR In circulation from 12 May 1952 to 31 March 1962.