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

			141,000,001		Bus - Handy Hints	T-a1 to T-a4		April 2011
			    to
			141,100,000

			141,100,001		Bus - Handy Hints	T-a1 to T-a4		July 2011
			    to
			141,200,000

			141,200,001		Bus - Handy Hints	T-a1 to T-a4		April 2011
			    to
			141,300,000

			141,300,001		Bus - Handy Hints	T-a1 to T-a4		May 2011
			    to						and T-b1 to T-b4	March 2011 
			141,400,000

			141,400,001		Bus - Handy Hints	T-b1 to T-b4		May 2011
			    to
			141,500,000

			141,500,001		Bus - Handy Hints	T-b1 to T-b4		May 2011
			    to
			141,600,000

			141,600,001		Bus - Handy Hints	T-b1 to T-b4		April 2011
			    to
			141,700,000

			141,700,001		Not seen as yet 09/2011
			    to
			141,800,000

			141,800,001		Bus - Handy Hints	T-b1 to T-b4		May 2011
			    to						and T-a1 to T-a4	April 2011 
			141,900,000

			141,900,001		Bus - Handy Hints	T-a1 to T-a4		May 2011
			    to
			142,000,000