They are those 14" 2 piece Dunlop wheels fitted, with different offsets, to the MGB GT V8 and the Reliant Scimitar. The centres are aluminium alloy and the rims are, or were, chromed steel and they are riveted together. Unfortunately they corrode badly and there's no-one currently splitting them to restore them properly.
Is it the illegitimate offspring of a Type4 & a Zephyr/Zodiac? I have an acquaintance who could identify it from the wipers alone.