Hi Keith,
Just had a scan through Mike Latham's book, Leigh Rugby League Club - A comprehensive Record and there's a photo of Leigh playing Swinton in 1972-73 wearing the white shirt with a vee in a home game against Swinton.
So the feeling that it was Leigh's 'alternative' kit looks to be right.
Best wishes,
Mark

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agree 92/93 was ellgren, i was in academy 1st team lifting gear, we had same kit but mesnes training.

Bottom right hand corner.....

That fella is looking at that woman as if to say 'you better have done the washing up wench before you come here'

Picture looks photoshoped to me