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

			123,000,001		Handy Hints		T-a1 to T-a4		April 2011
			   to
			123,100,000

			123,100,001		Handy Hints		T-b1 to T-b4		March 2011
			   to
			123,200,000

			123,200,001		Handy Hints		T-b1 to T-b4		March 2011
			   to						and T-c1 to T-c4	March 2011
			123,300,000

			123,300,001		Handy Hints		T-c1 to T-c4		March 2011
			   to
			123,400,000

			123,400,001		Handy Hints		T-d1 to T-d4		March 2011
			   to
			123,500,000

			123,500,001		Handy Hints		T-d1 to T-d4		March 2011
			   to						and T-a1 to T-a4	March 2011
			123,600,000

			123,600,001		Handy Hints		T-a1 to T-a4		April 2011
			   to
			123,700,000

			123,700,001		Handy Hints		T-b1 to T-b4		March 2011
			   to
			123,800,000

			123,800,001		Handy Hints		T-b1 to T-b4		March 2011
			   to						and T-c1 to T-c4	March 2011
			123,900,000

			123,900,001		Handy Hints		T-c1 to T-c4		March 2011
			   to						and T-d1 to T-d4	June 2011
			124,000,000