OK, so there's a pretty good chance the engine is in fact a Perkins. That logo plate looks crudely bolted onto the fender, not like something the factory would do (that logo you showed me, that the guy was selling—that looks much more like what the factory would use, which I guess they did, given that the guy was selling it with other NOS emblems!)
That exact column?
Yes, it does look like a pre-'67 Mopar column shift lever.

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Too many people who were born on third base actually believe they've hit a triple.

I'm a little late to the thread.

righthand drive was available in which countries in 1960? UK, Australia, Sweeden (maybe), India, the far east, South Africa...

I don't think this is a backyard mechanic trick, look at the large battery tray, I wonder if this was in fact part of a pilot program in Europe or South Africa, where a few Valiants were delivered to Perkins, or a contractor in the UK for conversion. Perkins was a diesel engine manufacturer for mostly marine and tractors until the mid/early 50's when they got into passenger cars... it could have been a pilot program.

With the fender emblem, and the quality of the installation, I vote for CKD assembly with a Perkins engine abroad.

as far as how a RHD drive car got into north america, lots of people have moved back and forth across the atlantic, and sometimes they bring their cars with 'em.

also, where is the heater box under the hood? the US stype heater box on the 60-62 A-bodies would have made RHD a difficult conversion, I wonder how they worked it... I don't see and heater hoses under the hood (but its not a clear picture...)

Hi, Doug.
Essentially none; the first volume-production RHD Valiants were in '61. (This one is a '61)
The '60-'62 Valiants sold in the UK were overwhelmingly LHD
Starting in '62
Even though Sweden drove on the left side of the road until 1967, most of their cars were LHD prior to that date.
Don't believe Chrysler sold many Valiants there in the early '60s.
Maybe one or two Valiants sold in Japan
Starting in '61.
Not hard to bolt in whatever battery tray you want. Too many details of this car have an overall slapdash/makeshift appearance for me to easily believe this was a coordinated, engineered effort.
The which now?? Where do you see quality here?
True. And there were RHD A-bodies ordered and delivered new in North America, too. Rural mail carriers bought them, as did certain municipalities' parking enforcement and meter-reading fleets.
N/A

Look at the very middle of the firewall; on RHD first-generation A-bodies, that rectangular area had a cover plate on it about 1-1/2 to 2" deep. This was for air intake via the cowl to the interior of the car. The rest of the heater was under/behind the dash.
But there's a "HEATER" knob crudely hacked into the RH lower dash...

_________________
一期一会
Too many people who were born on third base actually believe they've hit a triple.