Do you know this jewelry brand? (crown logo)

[Rodrigo]

I have this brooch, which looks very high quality, but I can not find information about its brand. Do you recognize this logo/signature? It is a crown logo. Thank you

 

[Rue_de_la_Paix]

That is a beautiful brooch. Trifari used a crown logo on some of their jewelry and pins, but I am not sure if that is their logo. We do have some jewelry mavens here on the VFG Forums so they should be of some help.

 

[Linn]

It's not Trifari. You can see the Trifari crown in the middle of this late 1949 ad:

And a slightly earlier version on this pair of late 1930s earrings:

 

[The Vintage Vendeuse]

It is NOT Trifari.
Can we see a photo of the entire back of the brooch?
Unusual motif... I see a sort of a Maltese cross/cross pattee with four crowns... very decorative.