Help with flask hallmarks

I have a lovely JD & Sons flask with a gilded cup but can’t for the life of me decipher the worn hallmarks on the bottom.
Is anyone able to recognize any of these terribly worn ones?

Cheers!

EP electro-plate JD& S James Dixon & Sons Trumpet logo.

Silverplate Marks - Initials J - Online Encyclopedia of Silver Marks, Hallmarks & Makers’ Marks

Yes thank you, I’m trying to decipher the faded ones in between those 2