sorry for the confusion guys, I got it wrong, thanks for stopping Bob going on a wildgoose chase Tony !
I struggled to source used tyres.... either no tread or tread but ancient walls or the usual ... good but other side of country
I went for 5 commercial 9.00 x 20 for $500 the lot... I know they are not original or off road biased but only done 1000km and no age issues plus will do mostly road mileage ...... but of course, as soon as i bought them i got offer a set of bargrips... murphys law