Vintage 7pc Gem Studio Art Pottery Container set With Dish / tray Bluegreen glazed

I personally love this piece.
NO chips or cracks.
Each piece is marked "Gem"
2 of the lids have copper wrapped handles
The approximate measurements are:
Tray 8" diameter
container 1 - 3"x3" not including lid
container 2 -2.75"x3" not including lid
container 3 - 2.75"x2.5" not including lid