Art Deco Paste Circle Pin. Help with unknown AK mark.

[JoJac]

Any Help MUCH appreciated with identifying the mark on this piece. Thanks.



admin note: in future, post jewelry in the jewelry forum
.

[2209patrick]

Hello.
I enhanced your picture.

Could not find an AK in a circle mark.
Might be AR in a circle, which was used by A. Robinson & Son, New York City ( c. 1950).

Pat.