Number group		Front design		Designators		Earliest known date	
	
			--------------------------------------------------------------------------------------------
	

			068,000,001		Handy Hints		T-b1 to T-b4		December 2008
			    to 
			068,100,000

			068,100,001		Handy Hints		T-b1 to T-b4		December 2008
			    to									
			068,200,000

			068,200,001		Handy Hints		T-b1 to T-b4		December 2008
			    to						and T-a1 to T-a4	December 2008
			068,300,000

			068,300,001		Handy Hints		T-a1 to T-a4		December 2008
			    to
			068,400,000

			068,400,001		Handy Hints		T-a1 to T-a4		December 2008
			    to
			068,500,000

			068,500,001		Handy Hints		T-a1 to T-a4		December 2008
			    to									
			068,600,000

			068,600,001		Handy Hints		T-a1 to T-a4		December 2008
			    to
			068,700,000

			068,700,001		Handy Hints		T-a1 to T-a4		December 2008
			    to
			068,7xx,000

			068,7xx,001		Bus - Handy Hints	T-a1 to T-a4		September 2008
			    to
			068,8xx,000
	
			068,800,001		Bus - Handy Hints	T-a1 to T-a4		September 2008
			    to 
			068,900,000
	
			068,900,001		Bus - Handy Hints	T-a1 to T-a4		September 2008
			    to									
			069,000,000