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

			164,000,001		Not seen as yet 09/2011
			   to
			164,100,000

			164,100,001		Not seen as yet 09/2011
			   to		
			164,200,000

			164,200,001		Handy Hints		T-b1 to T-b4		August 2011	
			   to
			164,300,000

			164,300,001		Handy Hints		T-c1 to T-c4		August 2011
			   to
			164,400,000

			164,400,001		Not seen as yet 09/2011
			   to
			164,500,000

			164,500,001		Not seen as yet 09/2011
			   to
			164,600,000

			164,600,001		Not seen as yet 09/2011
			   to
			164,700,000

			164,700,001		Not seen as yet 09/2011
			   to
			164,800,000

			164,800,001		Handy Hints		T-c1 to T-c4		August 2011
			   to
			164,900,000

			164,900,001		Not seen as yet 09/2011
			   to
			165,000,000