Unknown marks GC? on teaset

1

Hello,

Can someone help identify these marks?

Thanks you,
Nico

IMG_20220724_084402
IMG_20220724_0844021920×1444 513 KB

IMG_20220724_082743
IMG_20220724_0827431920×2553 223 KB

2

Looking in different sources, there seem to be a lot of similarities on calcutta silver of the 1930s.

If someone has some more information, I would highly appreciate it.

Thanks,
Regards,
Nico