While not identical, this 1956 Taunus 15M is sporting a simpler cap but it has the same central FK logo. If you look though, the car has wide 5s so it is the centre of a full wheel cover.
https://realartonwheels.com/sold/1956-ford-taunus-15m/
There's also one on ebay US right now
https://www.ebay.com/itm/162563769234