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

			163,000,001		Handy Hints		T-c1 to T-c4		August 2011
			   to
			163,100,000

			163,100,001		Handy Hints		T-c1 to T-c4		August 2011
			   to		
			163,200,000

			163,200,001		Handy Hints		T-d1 to T-d4		August 2011	
			   to
			163,300,000

			163,300,001		Handy Hints		T-d1 to T-d4		August 2011
			   to						and T-a1 to T-a4	August 2011
			163,400,000

			163,400,001		Handy Hints		T-a1 to T-a4		August 2011
			   to
			163,500,000

			163,500,001		Handy Hints		T-b1 to T-b4		August 2011
			   to
			163,600,000

			163,600,001		Handy Hints		T-b1 to T-b4		August 2011
			   to						and T-c1 to T-c4	August 2011
			163,700,000

			163,700,001		Not seen as yet 09/2011
			   to
			163,800,000

			163,800,001		Handy Hints		T-d1 to T-d4		August 2011
			   to
			163,900,000

			163,900,001		Not seen as yet 09/2011
			   to
			164,000,000