Set of 4 Vintage Hearthside Soup Mugs Bake N Serve - Japan

Set of 4 white Hearthside soup mugs. Made in Japan. Fine porcelain 4.25” diameter x 2 3/4” height Very good used condition - there are a few tiny spots on one mug that seemed to be baked into mug - see pic Please note: I have a total of 8 mugs and have just divided them into 2 separate listings