You can always find someone to counter the opinions of experts...
http://cgi.ebay.ca/First-Canadian-A-...1%7C240%3A1318
In the small print:
PLEASE NOTE A MINI CONTROVERSY STILL RAGES REGARDING WHICH OF THE TWO BADGES IS THAT MADE DURING THE WAR, AND THAT STRUCK POST WAR, DESPITE THE MAZEAS OPINION AND THAT OF OTHERS. EQUAL AND OPPOSITE OPINIONS BY NOTED COLLECTORS. I BELIEVE THIS BADGE WITH THE EAR, PAW AND ROUNDED O AS OPPOSED TO THE OVAL O IS THE ORIGINAL.