A 6-month bill sold for an average yield of 2.435pc, down from 5.227pc.
Last week six-month bills sold at an average rate of 9.04 percent.
A week ago three-month bills sold at an average discount rate of 7.83 percent.
One-year bills sold for an average discount rate of 6.54 percent at the last such auction on June 4.
They had been taken in by Vik-tor's mind games, sold a bill of goods that was now going very sour.
The display has since been dismantled and the bills sold to private collectors.
The six-month bill sold at an average rate of 6.99 percent, up from 6.71 percent last week.
Six-month bills sold at an average of 7.34 percent, up about 3/8 percentage point.
On April 6, six-month bills sold at an average discount rate of 5.63 percent.
The six-month bill sold at an average rate of 5.070 percent, down from 5.075 percent.