Cannonball Identification

[Timeframe]

Ahoy there,

So I had a customer bring me this piece today and asked if I could identify it from the maker's mark. The fact that it has any stamp means we can rule out civil war era. Any ideas? I'm in Southern Ontario but I don't know if it originated here.

www.facebook.com/timeframeCA

 

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[Red James Cash]

Looks like a number 4 upside down.If a cannonball could be a 4 pounder.

 

[littleneckhalfshell]

please give approximate size and weight, it helps with identification. Also in the future when you take a picture, it would be helpful to show a easily identified object or ruler in the picture.