Number group Earliest date known Front design Designator ------------------------------------------------------------------------------------ 47,000,001 March 2007 Handy Hints (Bus) T-b1 to T-b4 to T-c1 to T-c4 47,100,000 47,100,001 March 2007 Handy Hints (Bus) T-c1 to T-c4 to 47,200,000 47,200,001 March 2007 Handy Hints (Bus) T-c1 to T-c4 to 47,300,000 47,300,001 April 2007 Handy Hints (Bus) T-c1 to T-c4 to T-d1 to T-d4 47,400,000 47,400,001 March 2007 Handy Hints (Bus) T-d1 to T-d4 to 47,500,000 47,500,001 March 2007 Handy Hints (Bus) T-d1 to T-d4 to 47,600,000 47,600,001 October 2007 Handy Hints T-d1 to T-d4 to 47,700,000 47,700,001 October 2007 Handy Hints T-d1 to T-d4 to 47,800,000 47,800,001 February 2008 Handy Hints T-d1 to T-d4 to 47,900,000 47,900,001 January 2008 Handy Hints T-d1 to T-d4 to 48,000,000