These are major Die Clogs observed on the N in REGINA.  If your coin matches a photo below, click link provided to go to the obverse page of that coin to check for other markers.

Obv 15 (Clog 1)

Obv 15 (Clog 2) 

Obv 15 (Clog 3) 

Obv 15 (Clog 4) 

Obv 15 (Clog 5) 

Obv 24 (Clog 1) 

Obv 24 (Clog 2)  

Obv 24a

Obv 33 (Clog 2)  

Obv 33 (Clog 6)   

Obv 52 (Clog 2)   

Obv 52 (Clog 3)    

Obv 48

Obv 72 

Obv 78