It certainly is the right style for a Canadian tag. I'm going by memory but I think a 76337 would be a Parisienne 6 cylinder 2 door hardtop. The 1-4-9 is the Canadian tag format for 1st shift, 4th month, 9th day.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
