Maxey: I'm afraid I can't decipher the marks from your images. Please chalk or grease pen the marks, and post high resolution full size close ups of everything.
I agree the lettre annale is a small case 'e'
This might be of help
http://www.shotgunworld.com/bbs/viewtopic.php?f=5&t=295608
You've no doubt found this
http://www.littlegun.be/arme%20belge/artisans%20identifies%20t%20w/a%20wilmart%20gb.htm