Jewelry identification

[Heidi2501@]

Hi,
I am new to this forum so hi all.
Please can someone help me identify my jewellery makers mark, it is driving me crazy as I recognise it but can’t for the life of me figure out who it is.

 

[themerchantsofvintage]

Possibly Filin.

 

[Metro Retro Vintage]

Could it be Filene's?

 

[Attirelyvintage]

It's FILON!

Beautiful set!