Mini or Moke Falken 145/80/10 SN-807 tyres.
NOT crossply tyres but these radials are the only ones we know readily available at decent prices for the old 3.5"x10" steel road wheel fitted as standard to all old cars.
EU label information
Rolling resistance G
Wet Grip E
External Noise (Wave) 3
Esternal Noise (dB) 71