Sake cup, pure silver, Tsubame hallmark Some scratches and wear are present. It has a darkened silver appearance. The foot is attached with adhesive. The adhesive shows signs of deterioration. Approximately 20.5g, diameter approximately 4.5cm. Soaking it in aluminum foil with baking soda and hot water seems to restore its shine. Prices will be adjusted periodically due to the rising price of silver.