Large Brass Tank Shell Casing - General Ammunition Discussion

Hello all. I was hoping that I could get more information on this very large shell casing that I believe to be from a tank. I can make out the black printing that says TAHK so I believe it is Russian. I live in Toronto, Canada so I am not sure how it got here. I have been using it as an umbrella stand for the past 5 years but now would like to know the value and if there is any interest in it from this group. The site will only allow me to put one image per post I can add more if requested. Than

Large Brass Tank Shell Casing - General Ammunition Discussion - International Ammunition Association Web Forum

Large Brass Tank Shell Casing - General Ammunition Discussion - International Ammunition Association Web Forum

Large Brass Tank Shell Casing - General Ammunition Discussion - International Ammunition Association Web Forum