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

			106,000,001		Bus - Handy Hints	T-c1 to T-c4		November 2010
			   to
			106,100,000

			106,100,001		Bus - Handy Hints	T-c1 to T-c4		November 2010
			   to						and T-d1 to T-d4	November 2010
			106,200,000

			106,200,001		Bus - Handy Hints	T-d1 to T-d4		November 2010
			   to
			106,300,000

			106,300,001		Bus - Handy Hints	T-d1 to T-d4		January 2011
			   to						and T-c1 to T-c4	February 2011
			106,400,000

			106,400,001		Bus - Handy Hints	T-c1 to T-c4		February 2011
			   to
			106,500,000

			106,500,001		Not seen as yet
			   to
			106,600,000

			106,600,001		Bus - Handy Hints	T-d1 to T-d4		February 2011
			   to
			106,700,000

			106,700,001		Bus - Handy Hints	T-d1 to T-d4		December 2010
			   to
			106,800,000

			106,800,001		Bus - Handy Hints	T-d1 to T-d4		December 2010
			   to
			106,900,000

			106,900,001		Bus - Handy Hints	T-d1 to T-d4		November 2010
			   to
			107,000,000