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

			160,000,001		Handy Hints		T-b1 to T-b4		April 2011
			   to						and T-c1 to T-c4	April 2011	
			160,100,000

			160,100,001		Handy Hints		T-c1 to T-c4		April 2011
			   to
			160,200,000

			160,200,001		Handy Hints		T-d1 to T-d4		April 2011
			   to
			160,300,000

			160,300,001		Handy Hints		T-d1 to T-d4		April 2011
			   to						and T-a1 to T-a4	July 2011
			160,400,000

			160,400,001		Not seen as yet 09/2011
			   to
			160,500,000

			160,500,001		Handy Hints		T-b1 to T-b4		July 2011
			   to
			160,600,000

			160,600,001		Handy Hints		T-b1 to T-b4		July 2011
			   to						and T-c1 to T-c4	July 2011
			160,700,000

			160,700,001		Handy Hints		T-c1 to T-c4		July 2011
			   to
			160,800,000

			160,800,001		Handy Hints		T-d1 to T-d4		July 2011
			   to
			160,900,000

			160,900,001		Handy Hints		T-d1 to T-d4		August 2011
			   to						and T-a1 to T-a4	July 2011
			161,000,000