Vintage Possibly German Handpainted and Mother of Pearl Inlay Serving Tray

Vintage Possibly German Handpainted and Mother of Pearl Inlay Serving Tray. Found a similar which attributed it to Germany, circa 20s-30s. Has plywood/wood backing. Silver toned metal border with Engraved handles. Pre-owned. Good shape considering age. Metal is a bit worn and can use some work to polish. A "fence" edging surrounds the tray. Approx 20" x 12" x 1"