Canada Post began using UPC barcodes on its products in Dec 1989 - on a 39c Flag over Clouds booklet of 10.
How can a UPC barcode exist on a coil? Well, it is the display card that holds the coil (roll)
that has the actual barcode imprinted on it.
The first coil in Canada to be issued with a UPC barcode was the 45c Maple Leaf - it was issued
in a box on September 30, 1998.
The first coil in Canada to be issued with a display card containing a UPC barcode imprinted on
it was the 47c Maple Leaf coil issued on December 28, 2000.
All Canada Post barcodes begin with: 0 63491
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