Could it be a Shires Loose Ring Copper Lozenge snaffle? I had a hanging cheek version for my old boy.
Edited to add: Didnt realise it was the way it was sitting you were highlighting. Sorry!
Just wanted to say how fantastic your yard is, and how happy the ponies look. I think you have every reason to be excited! Wishing you all the best! 😊
Hannah Beckmann. You can google her and her website comes up. I am a very nervous rider and she is a very patient instructor. PM if you want contact details.