They look like they are actually 67-68 Acadian 14" wheel covers. They are the same as the 64 Chevrolet (Biscayne-Bel Air-Impala optional P01) except for the "A" center cap rather than the bowtie.
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67 Chevelle Malibu Sport Coupe, Oshawa-built 250 PG never disturbed.
In garage, 296 cid inline six & TH350...
Cam, Toronto.
I don't judge a man by how far he's fallen, but by how far back he bounces - Patton