Retailer vintage expresso/tea cups and saucer set

Product Name: Retailer vintage expresso/tea cups and saucer set
1940s-1950s These are an expresso cup and saucer set made retailer in Japan in a tea cup cobalt blues Asian style pattern with iron oxide accents lines on the lips and handles. A Total of 4 cups and 4 saucers. See pictures for details. My mother bought these for $200 back in the late 70s. They sat in their original box in her china cabinet for the over 40 years. They Are worth more than what she paid back In the 70s. all my mother wants is her money back so she can go on her weekend Beach getaways.. haha I have another set posted on my store.