Labatt's 50 Ale stubby beer bottle with original cap
Labatt's Ontario Breweries Limited
Labatt's of Canada - Brewers since 1828
Union made

Raised in glass - bottom edge:
... Canada
L   3   c (in a triangle)   9

Empty dark brown glass bottle has about an inch crack in the neck near the cap.
It does not go all the way thru and cannot be felt. Probably done when previous owner secured the original cap.