Blue and white underglaze red press-hand cup with grape pattern【青花釉里红色压手杯葡萄花纹】

A small porcelain teacup with a rounded body and slightly flared rim, finished in a white glaze and decorated in cobalt blue and iron-red with grape clusters, curling vines, and leaves; the interior features a matching grape motif at the base, finely painted and balanced.