France 1933 5 Francs [solved]

I was swapped this coin, but it looks like the regular variety.

How can you distinguish between 5 Francs (Lavrillier pattern) N165913 and the regular N892 ?

Thanks,
 

Hello 🤖

Without pictures, it will be very difficult for anyone to help you. Could you please post clear pictures of each side of your item?

Please note that this is an automatic message. Feel free to ignore if it is not relevant.

 It says why on the page. 

Lettering:
RF
5
FRANCS
1933
ESSAI 

 The usual coin does not have that [below the date]. 

N#892 

Thank you!