This is a lovely antique and rare find.
K & Co Late Mayer - 1790 lidded trinket dish/bowl
This has been used and does have marks consistent with age and use, but no cracks or chips.
It measure approx 5.5” diameter x 3.5” to the top of the lid. The dish without the lid is approximately 1.75” tall to the rim.
A really lovely collectors item.
See pictures