3 inch markings

[Haplo]

Bought this 3 inch mortar recently.
When i got home i took it up on closer inspection.
The fuze is marked WBL/C.
It is Canadian i presume.
But what does it stands for.
This marking is unknown to me.

Best regards,
Sipke

 

[Haplo]

No one that has some sort of idea?

 

[TimG]

Spike,

Wallaceburg Brass Ltd.

TimG

 

[Haplo]

Thanks Tim.