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

			073,000,001		Not seen as yet 6/2011
			    to 
			073,100,000

			073,100,001		Not seen as yet 6/2011
			    to									
			073,200,000

			073,200,001		Not seen as yet 6/2011
			    to									
			073,300,000

			073,300,001		Not seen as yet 6/2011
			    to			
			073,400,000

			073,400,001		Not seen as yet 6/2011
			    to
			073,500,000

			073,500,001		Not seen as yet 6/2011
			    to
			073,600,000

			073,600,001		Not seen as yet 6/2011
			    to
			073,700,000

			073,700,001		Not seen as yet 6/2011
			    to			
			073,800,000

			073,800,001		Not seen as yet 6/2011
			    to 
			073,900,000
	
			073,900,001		Handy Hints		T-c1 to T-c4		May 2011
			    to
			074,000,000