67 Barracuda front brake drums, Alignments and tires

The one with hub attached is how it came from the factory. As years go by and somebody separates the hub from the drum, they cannot be practically be "pressed" back together. Both are okay as Pishta says. If you plan on removing the studs from the pressed-on one, you CANNOT just hammer them out. There are many threads on this site on how to do it correctly.