Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------
	
			85,000,001		Bus - Handy Hints	T-c1 to T-c4		June 2010
			    to 
			85,100,000

			85,100,001		Bus - Handy Hints	T-d1 to T-d4		August 2010
			    to									
			85,200,000

			85,200,001		Bus - Handy Hints	T-d1 to T-d4		August 2010
			    to									
			85,300,000

			85,300,001		Not seen as yet (by 11/2010)
			    to
			85,400,000

			85,400,001		Bus - Handy Hints	T-d1 to T-d4		August 2010
			    to
			85,500,000

			85,500,001		Bus - Handy Hints	T-d1 to T-d4		July 2010
			    to						
			85,600,000

			85,600,001		Bus - Handy Hints	T-d1 to T-d4		July 2010
			    to
			85,700,000

			85,700,001		Bus - Handy Hints	T-d1 to T-d4		September 2010
			    to						and T-b1 to T-b4	July 2010
			85,800,000

			85,800,001		Bus - Handy Hints	T-b1 to T-b4		June 2010
			    to 
			85,900,000
	
			85,900,001		Bus - Handy Hints	T-b1 to T-b4		June 2010
			    to						and T-a1 to T-a4	July 2010
			86,000,000