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

			072,000,001		Handy Hints		T-c1 to T-c4		May 2010
			    to 
			072,100,000

			072,100,001		Handy Hints		T-c1 to T-c4		May 2010
			    to									
			072,200,000

			072,200,001		Handy Hints		T-c1 to T-c4		June 2010
			    to									
			072,300,000

			072,300,001		Handy Hints		T-c1 to T-c4		May 2010
			    to			
			072,400,000

			072,400,001		Handy Hints		T-c1 to T-c4		May 2010
			    to
			072,500,000

			072,500,001		Handy Hints		T-d1 to T-d4		July 2009
			    to
			072,600,000

			072,600,001		Handy Hints		T-d1 to T-d4		July 2009
			    to
			072,700,000

			072,700,001		Handy Hints		T-d1 to T-d4		July 2009
			    to			
			072,800,000

			072,800,001		Handy Hints		T-d1 to T-d4		June 2009
			    to 
			072,900,000
	
			072,900,001		Handy Hints		T-d1 to T-d4		June 2009
			    to
			073,000,000