is this a helmet plate

[andya]

Hi
Had this for some time but cannot remember what it is. i am thinning out my collection and selling items that do not fit and this is one of them. Before I put it on the estand, can someone confirm what it is and if it is ok.
thanks
andy

[andya]

rear

rear

[Arran]

Its a helmet plate for a Guard Hussar EM's busby...

[andya]

many thanks
andy