First off, very nice find!! The material is odd, looks quartsish maybe. The period of your point is Archaic , 7000 years or so. The type is not familliar for me, but when we find that style here we call them Archaic Side Notch points. All of my info is my opinion only and surely not the gospel. Some of the more studied folks here could point you in a closer direction. Hope you find more!!
Material looks like Hixton silicified sandstone. If that's what it is it was quarried at or near Silver Mound a few miles from Hixton Wisconsin. That's my guess anyway. Beyond that I can't help you.
I'm like Molly and Steve. I dont know much about Canadian typology. My area is the Texas, Arkansas, Oklahoma border area.
Its a nice looking point though and of course that type of deep side notching indicates that it is very old when on dart points.
well keep your fingers crossed too as I have 10 boxes more to look in that I didn't know about in my deceased aunts home. I was told of them after I shaked some of my kin up on where. I am going after them next weekend
What you've got there is an Early Archaic piece. In North Carolina it would be called a Hardaway side-notch. Further west it would be a Cache River side notch. And so on. The names change with the location.
The key is the expanding side notching (C-notching). Notice that they're wider inside, becoming smaller and forming little hooks where they meet the edges.