Grabbed this ABC set off the bay last month. Figuring it was an Empire case. As luck would have it turns out to be a Canadian ABC Smooth Ball. PC 07822. I think it’s between 1908-1910, if I’m understanding the chart right.
Gillette Canada Dating Information - https://www.badgerandblade.com/forum/wiki/Gillette_Canada_Dating_Information#Old_Type_Serial_Numbers
Gillette Canada Dating Information - https://www.badgerandblade.com/forum/wiki/Gillette_Canada_Dating_Information#Old_Type_Serial_Numbers