1934 Plymouth 2 door sedan.
I would like to see pictures of how they were two tone painted i.e. belt moldings, window reveals, color and location of the striping etc. I'm going with Gunmetal Gray/ black. Also, what interior options were offered for that color combo?
The good news is that starting in 1934 the information to decode the paint and trim code numbers is available. So if you get the "build card" from the Chrysler Historical Collection you can find out what paint and trim your car left the factory with.
If you don't care to "restore to original" and simply want to have a period authentic paint and trim combination, the bad news is there does not seem to be any information about which upholstery trims were combined with which paint codes. Or maybe that is good news as it implies you can do what ever your want and nobody can say it is wrong.
By 1934 the belt was the same color as the body. I am not sure of the exact location of the pin striping for 1934. I could be that the Plymouth Owners Club's technical advisor for 1934 can help on that.
The early 1930s was the end of the era of two toned paint jobs, by that time they were looking old fashioned and more often found on stripped down vehicles purchased by businesses. The newer schemes for the 1930s were more monochrome with lighter colors, often various shades of grey. You will note that the DeLuxe with a gunmetal gray body also had gray fenders and sheet metal.
There are some photos of 1934 cars on my website at https://www.ply33.com/Models/PE/ https://www.ply33.com/Models/PF/ and https://www.ply33.com/Models/PFXX/ But these are mostly restored cars so they may not be totally correct. And the paint/trim varied based on the line. The DeLuxe (PE) had more upscale trim available than the Standard (PF) or Business (PFXX) lines.