Warszawa 210 was inhouse design from FSO factory
both running cars (station wagon and sedan) from Ghia was destroyed, it wasn't politically good for that times in Poland
then FSO made a 210 model and luckily it is survived and displayed in one of our Museum in Warsaw
there is a rumour that russian Volga GAZ was a copy of polish Warszawa 210
there was also one more design study for Warszawa: