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

			067,000,001		Handy Hints		T-d1 to T-d4		October 2008
			    to 
			067,100,000

			067,100,001		Handy Hints		T-d1 to T-d4		August 2008
			    to									
			067,200,000

			067,200,001		Handy Hints		T-d1 to T-d4		August 2008
			    to						and T-c1 to T-c4	August 2008
			067,300,000

			067,300,001		Handy Hints		T-c1 to T-c4		August 2008
			    to
			067,400,000

			067,400,001		Handy Hints		T-c1 to T-c4		October 2008
			    to
			067,500,000

			067,500,001		Handy Hints		T-c1 to T-c4		October 2008
			    to									
			067,600,000

			067,600,001		Handy Hints		T-c1 to T-c4		October 2008
			    to
			067,700,000

			067,700,001		Handy Hints		T-c1 to T-c4		October 2008
			    to						and T-b1 to T-b4	October 2008
			067,800,000
	
			067,800,001		Handy Hints		T-b1 to T-b4		October 2008
			    to 
			067,900,000
	
			067,900,001		Handy Hints		T-b1 to T-b4		October 2008
			    to									
			068,000,000