Interesting item

[huszas76]

Dear members!
I bought this interesting item at the fleemarket.
It is obvious for me, that it is from Croatia, Zagreb around 1820, the maker is Vinko Lehmann




The measures: 8x8 cm, but only half a cm thick.
What do you think they could store in it?
Best regards!
Krisztián

[Qrt.S]

Business cards?

[Aguest]

:::::: One single wedding invitation? :::::::

::::::::: If you could put pieces of paper inside it, how many pieces of paper could it possibly hold? ::::::::::