This might be Sandpiper's gun - it's quite beautiful and it's sold and now I have to look for one - maybe in France.

http://www.dawsonsdoubles.com/details.php?ID=4169

And from the pictures the lock has both Heliduplex and Helice Grip (one "P") - which may answer two of the above three questions.



The 1939 VC catalog was previously posted here:

http://www.doublegunshop.com/forums/ubbt...3069#Post453069

Here is the page on Heliduplex:



And here is the page on Helice-Grip (one "P")



Last edited by Argo44; 05/06/17 10:57 PM.
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