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

			070,000,001		Bus - Handy Hints	T-c1 to T-c4		September 2008		
			    to 
			070,100,000

			070,100,001		Bus - Handy Hints	T-c1 to T-c4		October 2008
			    to									
			070,200,000

			070,200,001		Bus - Handy Hints	T-c1 to T-c4		October 2008
			    to									
			070,300,000

			070,300,001		Bus - Handy Hints	T-c1 to T-c4		October 2008
			    to						and T-d1 to T-d4	October 2008
			070,400,000

			070,400,001		Bus - Handy Hints	T-d1 to T-d4		October 2008
			    to
			070,500,000

			070,500,001		Bus - Handy Hints	T-d1 to T-d4		December 2008
			    to									
			070,600,000

			070,600,001		Bus - Handy Hints	T-d1 to T-d4		December 2008
			    to
			070,700,000

			070,700,001		Bus - Handy Hints	T-d1 to T-d4		December 2008
			    to
			070,800,000
	
			070,800,001		Bus - Handy Hints	T-d1 to T-d4		January 2009
			    to 
			070,900,000
	
			070,900,001		Handy Hints		T-a1 to T-a4		May 2009
			    to									
			071,000,000