Small piece of corrugated steel roofing sheet (Polperro PL13)

I need to repair my porch roof and it requires a piece of standard profile corrugated steel roofing sheet. It does not have to be new, just sound condition as I may paint it.
Minimum size 80cm x 80 cm (32" x 32") 3 inch profile.

If you think you may have something suitable, let me know where you are and I can decide if I want to come to collect it from you.

Thanks