Note the names of the makes sold at Turpin. They are a little hard to read but it looks like Beaumont is listed separately from Pontiac (not that I want to start up THAT debate...)
That is a great link. There are some beautiful cars from the 50s & 60s, heck, they go back to the 20s.
Let me see if I can add to this with a few Canadian dealers. They admittedly are not great pictures but at least they are in the spirit of this thread.
Below is a picture I took at Golden Mile before they took down their ancient sign. Now it is a Hyundai dealership
Next is a bit of a strain, but if you look in the distance of this 1969 photo taken from the steps of Hamilton City Hall you can see the service entrance of Hamilton Motor Products off of Bay Street. The showroom was on Main Street. I took the liberty of enlarging the inset pictures.
Lastly is a picture of the old Grand Mills Pontiac dealership in downtown Hagersville, Ontario. I "borrowed" it from Google maps a few years ago.
I work with a fellow, Grand Mills was his Grandfathers dealership.
When he told me, I got kind of excited...asked him if he had access to any of the dealership memorabilia. Said he'd ask his uncle who cleared out all the cool stuff when it was sold.
Asked him about 10 times over the years until he became sick of me asking.
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65 Laurentian post, 67 Grande Parisienne 4 door HT.