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

			154,000,001		Handy Hints		T-b1 to T-b4		June 2011
			   to						and T-c1 to T-c4	June 2011
			154,100,000

			154,100,001		Handy Hints		T-c1 to T-c4		June 2011
			   to						and T-d1 to T-d4	June 2011
			154,200,000

			154,200,001		Handy Hints		T-d1 to T-d4		June 2011
			   to
			154,300,000

			154,300,001		Handy Hints		T-d1 to T-d4		June 2011
			   to						
			154,400,000

			154,400,001		Handy Hints		T-a1 to T-a4		June 2011
			   to
			154,500,000

			154,500,001		Handy Hints		T-b1 to T-b4		June 2011
			   to
			154,600,000

			154,600,001		Handy Hints		T-b1 to T-b4		June 2011
			   to						and T-c1 to T-c4	June 2011
			154,700,000

			154,700,001		Handy Hints		T-c1 to T-c4		June 2011
			   to
			154,800,000

			154,800,001		Handy Hints		T-d1 to T-d4		June 2011
			   to
			154,900,000

			154,900,001		Handy Hints		T-d1 to T-d4		June 2011
			   to						and T-a1 to T-a4	June 2011
			155,000,000