3in mortar fins

[F0031]

I have three distinct 3in mortar fins to identify. The one on the right has feint markings 27 HIL ? /54 ES. Thanks.

Tony.

 

[Chris 42 RQ]

3" smoke mortar base.

All I can tell you is that the one in the centre is from a "Smoke" mortar.

You will need the experts here you tell you who made them.