Investment in premium prize bonds of Rs40,000 and Rs25,000 rises 29% By Investment in premium prize bonds of Rs40,000 increased to Rs21 billion by December 2020 The stock of bearer bonds of Rs40,000 was reduced to Rs1.8 billion by December 30, 2020 Government launched premium prize bonds of high denominations to encourage documentation of economy. KARACHI: Since the government imposed a ban on unregistered prize bonds, the investment in registered or premium prize bonds has surged by 29% to Rs22.8 billion in the last year, according to the official data available with The News. The publication reported that the sale of premium prize bonds of Rs40,000 and Rs25,000 stood at Rs17.71 billion by the end of 2019.