Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------
	
			88,000,001		Bus - Handy Hints	T-a1 to T-a4		August 2010
			    to 
			88,100,000

			88,100,001		Bus - Handy Hints	T-d1 to T-d4		September 2010
			    to									
			88,200,000

			88,200,001		Bus - Handy Hints	T-d1 to T-d4		August 2010
			    to									
			88,300,000

			88,300,001		Bus - Handy Hints	T-d1 to T-d4		September 2010
			    to						and T-c1 to T-c4	September 2010
			88,400,000

			88,400,001		Bus - Handy Hints	T-c1 to T-c4		October 2010
			    to
			88,500,000

			88,500,001		Bus - Handy Hints	T-d1 to T-d4		October 2010
			    to						
			88,600,000

			88,600,001		Bus - Handy Hints	T-d1 to T-d4		October 2010
			    to
			88,700,000

			88,700,001		Bus - Handy Hints	T-d1 to T-d4		September 2010
			    to
			88,800,000

			88,800,001		Bus - Handy Hints	T-d1 to T-d4		September 2010
			    to 
			88,900,000

			88,900,001		Bus - Handy Hints	T-d1 to T-d4		December 2010
			    to
			89,000,000