Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------

			128,000,001		Handy Hints		T-b1 to T-b4		February 2011
			   to						and T-c1 to T-c4	January 2011
			128,100,000

			128,100,001		Handy Hints		T-c1 to T-c4		January 2011
			   to
			128,200,000

			128,200,001		Handy Hints		T-d1 to T-d4		January 2011
			   to
			128,300,000

			128,300,001		Handy Hints		T-a1 to T-a4		February 2011
			   to						
			128,400,000

			128,400,001		Handy Hints		T-a1 to T-a4		January 2011
			   to						and T-b1 to T-b4	February 2011
			128,500,000

			128,500,001		Handy Hints		T-b1 to T-b4		January 2011
			   to
			128,600,000

			128,600,001		Handy Hints		T-b1 to T-b4		January 2011
			   to						and T-c1 to T-c4	January 2011
			128,700,000

			128,700,001		Handy Hints		T-c1 to T-c4		January 2011
			   to
			128,800,000

			128,800,001		Handy Hints		T-d1 to T-d4		January 2011
			   to
			128,900,000

			128,900,001		Handy Hints		T-a1 to T-a4		February 2011
			   to
			129,000,000