I've purchased several sets from this cat... and am/was quite pleased with the product... especially for the price.
Be sure to peel off the plastic from the emblem.
https://losangeles.craigslist.org/lgb/pts/d/huntington-beach-porsche-center-cap/6952237275.html
Yours appear to be original (that recessed circle). The $50 ones are plastic, but look awesome and... if someone steals them... they deserve them.
Buy a couple of sets.