This item is a antique Taisho Period Japanese Oribe Rectangle Tray. It features a vibrant green, antique white, and peach color palette. The green glaze, typical of Oribe (Ao-Oribe) ware, dominates the surface, complemented by the antique white and peach pink accents. Oribe ware is known for its distinctive and bold designs, often incorporating asymmetrical patterns and irregular shapes. 
Measurements: 1.5” H “ 6.75” L x 3.75” W 
Condition: Consistent with antique/vintage age and usage. Please reference images.