Number group Earliest date known Front design Designator ------------------------------------------------------------------------------------ 035,000,001 February 2006 Handy Hints (Bus) T-d1 to T-d4 to 035,100,000 035,100,001 February 2006 Handy Hints (Bus) T-d1 to T-d4 to 035,200,000 035,200,001 February 2006 Handy Hints (Bus) T-a1 to T-a4 to 035,300,000 035,300,001 February 2006 Handy Hints (Bus) T-a1 to T-a4 to 035,400,000 035,400,001 January 2006 Handy Hints (Bus) T-a1 to T-a4 and to T-b1 to T-b4 035,500,000 035,500,001 February 2006 Handy Hints (Bus) T-b1 to T-b4 to 035,600,000 35,700,001 January 2007 Handy Hints T-d1 to T-d4 to 35,800,000 35,800,001 January 2007 Handy Hints T-d1 to T-d4 to 35,900,000 35,900,001 January 2007 Handy Hints T-d1 to T-d4 to 36,000,000