Question: what are rare canadian coins?
Answer: 1911 Canadian Silver Dollar (known examples: 2) ... 
1936 dot 1 cent (known examples: 3) ... 
1936 dot 10-cents (known examples: 5) ... 
1969 Large Date 10-cents (known examples: 16) ... 
1916 C gold sovereign (known examples: less than 50) ... 
1921 50-cents (known examples: less than 75)