fiat punto 1995 rear bump stop upper repair panel

[bachilds]

as above^^ i have a 1995 fiat punto that has the top of the rear bumpstop area rusting.and in need of repair for mot.

can anyone suggest how to fix it or a repair panel?

i have seen this a few times as i work in a garage.so thought some one might have caught on for a repair patch.

cheers.