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

			99,000,001		Handy Hints		T-b1 to T-b4		September 2010
			   to						and T-c1 to T-c4	September 2010
			99,100,000

			99,100,001		Handy Hints		T-c1 to T-c4		August 2010
			   to
			99,200,000

			99,200,001		Handy Hints		T-d1 to T-d4		August 2010
			   to
			99,300,000

			99,300,001		Handy Hints		T-d1 to T-d4		August 2010
			   to						and T-a1 to T-a4	August 2010
			99,400,000

			99,400,001		Handy Hints		T-a1 to T-a4		August 2010
			   to						and T-b1 to T-b4	August 2010
			99,500,000

			99,500,001		Handy Hints		T-b1 to T-b4		August 2010
			   to
			99,600,000

			99,600,001		Handy Hints		T-b1 to T-b4		August 2010
			   to						and T-c1 to T-c4	August 2010
			99,700,000

			99,700,001		Handy Hints		T-c1 to T-c4		August 2010
			   to
			99,800,000

			99,800,001		Handy Hints		T-d1 to T-d4		August 2010
			   to
			99,900,000

			99,900,001		Handy Hints		T-d1 to T-d4		August 2010
			   to						and T-a1 to T-a4	August 2010
			100,000,000