Wheel/Tire help for 68 notchback barracuda

I just bought a 68 Notchback that is for the most part in excellent all-original condition. This is great, except for the original wheels and tires it’s sitting on. I’d like to upgrade the wheels and tires and am looking for some information/advice:

1. I’d like to go to a 15” wheel. What bolt pattern and width should I be looking for so that I don’t need any additional spacers/hardware/etc. to fit? Or will that be inevitable with a wider wheel? I’m looking to bolt and go.
2. What kind of tires should I be looking at? 60 series? 50? I’d like to fill the wheel wells (without rubbing, obviously). Brand recommendations would also be greatly appreciated.
3. I’m most interested in a chrome 5-spoke, such as a Cragar S/S or Keystone Klassic. Are there other wheels that have a similar look and a comparable price to consider?

If anyone is feeling EXTRA helpful, a recommended tire and wheel package would help out a lot.

Thank you!

SweetMoparGirl