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

			142,000,001		Bus - Handy Hints	T-a1 to T-a4		May 2011
			    to
			142,100,000

			142,100,001		Not seen as yet 09/2011
			    to
			142,200,000

			142,200,001		Bus - Handy Hints	T-a1 to T-a4		June 2011
			    to
			142,300,000

			142,300,001		Bus - Handy Hints	T-a1 to T-a4		June 2011
			    to
			142,400,000

			142,400,001		Not seen as yet 09/2011
			    to
			142,500,000

			142,500,001		Not seen as yet 09/2011
			    to
			142,600,000

			142,600,001		Bus - Handy Hints	T-b1 to T-b4		June 2011
			    to
			142,700,000

			142,700,001		Bus - Handy Hints	T-b1 to T-b4		June 2011
			    to
			142,800,000

			142,800,001		Not seen as yet 09/2011
			    to
			142,900,000

			142,900,001		Bus - Handy Hints	T-a1 to T-a4		May 2011
			    to
			143,000,000