As you say, lucky you kept it!
If you are ever likely to jack the car yourself you can get pads that fit into the hollow part of the jacking point.
I got one of these:- https://www.amazon.co.uk/gp/product/B07BJ1L3LB/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1