Engravers marks

Hi there

On the French minted version of this coin you can see Yvette Gastauer-Claire's mint mark on the neck of Henri and there appears to be another mark on the neck of Adolphe, but what is it?

Angus

 Not sure. A larger picture > 

 Could be either of those two on the right. 

Thanks, I wonder which one it is.  The bottom could be a V in that image.

 I see, so yes a V with a swirl at the top. Hope someone knows.