Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------
	
			79,000,001		Bus - Handy Hints	T-d1 to T-d4		May 2009
			    to 
			79,100,000

			79,100,001		Bus - Handy Hints	T-d1 to T-d4		October 2009
			    to									
			79,200,000

			79,200,001		Bus - Handy Hints	T-b1 to T-b4		December 2009
			    to									
			79,300,000

			79,300,001		Bus - Handy Hints	T-a1 to T-a4		December 2009
			    to
			79,400,000

			79,400,001		Bus - Handy Hints	T-d1 to T-d4		October 2009
			    to 
			79,500,000

			79,500,001		Bus - Handy Hints	T-d1 to T-d4		October 2009
			    to									
			79,600,000

			79,600,001		Bus - Handy Hints	T-d1 to T-d4		November 2009
			    to 
			79,700,000

			79,700,001		Bus - Handy Hints	T-c1 to T-c4		October 2009
			    to
			79,800,000

			79,800,001		Bus - Handy Hints	T-c1 to T-c4		September 2009
			    to 
			79,900,000
	
			79,900,001		Bus - Handy Hints	T-b1 to T-b4		November 2009
			    to									
			80,000,000