WW1 Brass shell case - please help to identify - General

I found this brass shell casing at a thrift store and was drawn to it. My son, daughter-in-law and my daughter’s boyfriend all serve in the CAF. I would really appreciate help in identifying the shell casing marks on the bottom. I have read quite a few online so believe it is French made or made for France, it is from 1916 and that is about it. It is 13.5” tall and 3” in diameter. The only markings are on the bottom. I am including a picture of the markings. Thank you in advance for any as

Ww1 Brass Shell - Canada

Ww1 shell cases hi-res stock photography and images - Alamy

world war one - What can I learn from these WW1 shell cases? - History Stack Exchange

Help identifying this shell case Artillery - General Ammunition Discussion - International Ammunition Association Web Forum

Ww1 Brass Shell - Canada

Were the howitzer, about 100mm brass shell cases from WW1, reused or just wasted after having been first fired? - Quora

Artillery shell cases, fuzes, primers and tubes. – Stephen Taylor, WW2 Relic Hunter

Artillery shell cases, fuzes, primers and tubes. – Stephen Taylor, WW2 Relic Hunter

10 Pieces Of Trench Art From World War One

shell casing markings - Arms and other weapons - The Great War (1914-1918) Forum

Cartridge case terminology and identification – Stephen Taylor, WW2 Relic Hunter

Ww1 Brass Shell - Canada

Ww1 Brass Shell

SHELL CASINGS – Artillery Works Co