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How about "RSVP please"

An 1803 160 and a 120 share a basic body - some of the folks here can help acquaint you with the trim differences between a 120 and a 160.

Looks like a 120 touring sedan

The yellowing is on the outside, which is in normal 21% oxygen atmosphere regardless of what's in the tire. You really think the amount of oxygen making it to the backside of the white strip is going to be a difference maker? I'm willing to change opinion based on data, but it's really unlikely.

Why would nitrogen on the inside of a tire have any effect on external oxidation?

Remember the Ideal Gas Law P = nRT/V? Why would nitrogen have any different response to temperature?

Nitrogen diffuses more slowly through the tire than air (which is 79% nitrogen anyway), and is pretty non-reactive with rubber compounds. The more stable tire pressure is with time, not temperature.

The 49 club sedan appears to be a Standard, not Deluxe.

The 41 120 is a touring sedan, not a formal sedan, but that's pretty obvious

and from the stance, perhaps a non-working torsion-ride too.

Not a bad looking car, but the seller doesn't start well. Has no clue about what equipment was standard or available optionally.

Have you checked the Dealer Info in the Literature Archive on this site, for 1907-1432 and 1908-1450?

235 sounds too wide. The original size is a tight fit in back as it is (even without the skirts on)

Packard offered those colors together in 1948, but not as a two-tone combination