Vintage Japanese Porcelain Tea Set with 6 cups

This is a Japanese porcelain tea set with 6 tea cups. The teapot handle is made of metal (with some rusting). The set is brand new never been used condition. The teapot is 4 inches tall and the teacups are 2 inches tall and 2 3/4 inches across, all marked with Made in Japan on bottom. The set does not have any chips or cracks, from gift shop we used to operate in the heart of S.F. Chinatown from the 50s to 80s. Insurance is recommended .