I've looked through some 1998-2002 Town Car brochures and they did have standard rims for each trim, Gear Tooth for Executive Series, Snowflake for Signature Series and Cartier and this optional one for Cartier https://detroitwheelandtire.com/lincoln-town-car-factory-oem-wheel-rim-hollander-3318-1998-1999-2000-2001-2002.html