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

			150,000,001		Handy Hints		T-d1 to T-d4		July 2011
			   to
			150,100,000

			150,100,001		Handy Hints		T-d1 to T-d4	May 2011
			   to						and T-a1 to T-a4	May 2011
			150,200,000

			150,200,001		Handy Hints		T-a1 to T-a4	May 2011
			   to						and T-b1 to T-b4	June 2011
			150,300,000

			150,300,001		Handy Hints		T-b1 to T-b4		May 2011
			   to						
			150,400,000

			150,400,001		Handy Hints		T-b1 to T-b4		June 2011
			   to						and T-c1 to T-c4	June 2011
			150,500,000

			150,500,001		Handy Hints		T-c1 to T-c4		May 2011
			   to						and T-d1 to T-d4	June 2011
			150,600,000

			150,600,001		Handy Hints		T-d1 to T-d4		May 2011
			   to
			150,700,000

			150,700,001		Handy Hints		T-d1 to T-d4		May 2011
			   to						and T-a1 to T-a4	May 2011
			150,800,000

			150,800,001		Handy Hints		T-a1 to T-a4		May 2011
			   to						and T-b1 to T-b4	June 2011
			150,900,000

			150,900,001		Handy Hints		T-b1 to T-b4		May 2011
			   to
			151,000,000