It could be either 1993 or 1994 as Mark performed for charity gig on same day (July the Third) both year.
I guess the one referred was 1994... because of hair length.
03.07.1994 Grosvenor House Hotel London UK (charity gig)
In 1994, The Notting Hillbillies played another charity show called The Concert For Life.
It was a one-off charity concert to raise money for "The Anthony Nolan bone marrow trust" and "The Sue Harris bone marrow campaign":