Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------
	
			84,000,001		Bus - Handy Hints	T-a1 to T-a4		July 2010
			    to 
			84,100,000

			84,100,001		Bus - Handy Hints	T-b1 to T-b4		August 2010
			    to									
			84,200,000

			84,200,001		Bus - Handy Hints	T-b1 to T-b4		July 2010
			    to									
			84,300,000

			84,300,001		Bus - Handy Hints	T-b1 to T-b4		September 2010
			    to
			84,400,000

			84,400,001		Bus - Handy Hints	T-b1 to T-b4		July 2010
			    to
			84,500,000

			84,500,001		Bus - Handy Hints	T-b1 to T-b4		August 2010
			    to						
			84,600,000

			84,600,001		Bus - Handy Hints	T-b1 to T-b4		August 2010
			    to						and T-c1 to T-c4	June 2010
			84,700,000

			84,700,001		Bus - Handy Hints	T-c1 to T-c4		July 2010
			    to
			84,800,000

			84,800,001		Bus - Handy Hints	T-c1 to T-c4		July 2010
			    to 
			84,900,000
	
			84,900,001		Bus - Handy Hints	T-c1 to T-c4		July 2010
			    to
			85,000,000