hi - I have one taken from a RHD 1972 crossover - with 4 no. 1-2mm holes in the right side groove and a slight cut back of the very right hand forward lip - I can email you pics if that helps?
cheers
Rob
I have a good early dash top (4 vent) £35 but you'll need to collect or arrange a courier -I am round the corner from the Volksworld show if you are going.