Technical 15x6 Rim ID, what is it from?

Anyone know what this rim is from? It has locator holes like an older Buick. 15x6, 5x5 lug pattern.

 

My guess is late '50s early '60s Imperial.

 

Looks like early 60's Chrysler

 

imperials were 5.5" bolt circle, Chryslers were 4.5"

 

Looks like after market rim commonly used for winter tires. Not sure of the bolt pattern, probably " off shore"

 

My guess would be late 40's early 50's GM


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Did Chrysler use a locator pin on the drum? Maybe it is a 5.5 blot circle, my mistake not measuring, I got it with some 1950s Chevy wheels but I didn't try it on the car.

 

Imperial wheel from '59-'60 era ....

 

Its very similar to a Tornado wheel(from Oldsmobile)

 

I was thinking Toronado, too, but it isn't that.

 

Imperial......

Ray

 

with Ray and others....it should be 5 on 5 1/2......