 The Treasury Department estimates that it earned about $6.3 billion in seigniorage from the quarters during the program.Some countries' national mints report the amount of seigniorage provided to their governments; the Royal Canadian Mint reported that in 2006 it generated $93 million in seigniorage for the government of Canada.The U.S. government, the largest beneficiary of seignorage, earned about $25 billion in 2000.