Number group		Earliest known date	Front design		Designator
	
        ------------------------------------------------------------------------------------
	
	58,000,001		March 2008		Bus - Handy Hints	T-b1 to T-b4
	    to 
	58,100,000

	58,100,001		April 2008		Bus - Handy Hints	T-b1 to T-b4
	    to									
	58,200,000

	58,200,001					not yet seen
	    to									
	58,300,000

	58,300,001		May 2008		Bus - Handy Hints	T-c1 to T-c4
	    to 
	58,400,000

	58,400,001		March 2008		Bus - Handy Hints	T-c1 to T-c4
	    to									
	58,500,000

	58,500,001		May 2008		Bus - Handy Hints	T-d1 to T-d4
	   to									
	58,600,000

	58,600,001		May 2008		Bus - Handy Hints	T-d1 to T-d4
	   to 
	58,700,000

	58,700,001					Bus - Handy Hints	T-d1 to T-d4
	    to									
	   ????
	
	   ???						Handy Hints		T-d1 to T-d4
	    to 
	058,800,000

	058,800,001		May 2008		Handy Hints		T-d1 to T-d4
	    to 
	058,900,000
	
	058,900,001		May 2008		Handy Hints		T-d1 to T-d4
	    to									
	059,000,000