Help with identification of marks

[Caro1983]

Hello
I need some help with identifying some marks on a small possibly silver plated oval container.
The stamps are A, B, starburst and an s shape with a diagonal line through it.
Underneath it says 1783.
Completely new to this!!

Any ideas?
I can send a photo if necessary.
Thanks
Caro

[Traintime]

Please post photos (embedded, not links). Thank you.