Modern Looking Sterling Earrings - London marks

[natNYC]

These earrings look modern to me, but the date code, U, seems old.
I don't know if there's an updated date chart.
The marks are an RSJ in a cartouche - Lion with Raised Paw - Lion Heart - and a script U.

On the clasp, there's a 925 with a circle with wedges on it (this looks scandinavian to me).

Any insight would be helpful!

please click on images to make them larger.

[AG2012]

Hi,
London, 1994.
Cannot identify sponsor`s mark.
Cheers

[spobby]

Maker's mark is probably R.S.Jewellers of Hatton Garden, London
Regards
John

[AG2012]

Hi,
They did not exist in 1994 (according to what I could find)

[natNYC]

Interesting, thank you all.