Awsome find Kevin...... that is a corker.
That is the double collar fluer-de-lys in the coronet .... here is one that is not as complete (the one that got away) and a converted. Yours has been x3 looped at a later date from the original x2 N/S...... note on the examples below that they are E/W x2 Blades top and looped badge below.