Set of 3 vintage fine china porcelain espresso / demitasse cups / mugs

Set of 3 vintage porcelain espresso / demitasse mugs / cups. Cups are 2 3/4” tall x 2 1/2” wide at the rim and hold 4oz to the rim. Very good condition no chips or cracks noted. The number 37 is hand painted on the base of all 3 cups. There are a few dark spots under the glaze inside the cups, see pictures, does not impact anything regarding these cups. Cups / mugs are in great condition! Beautiful set!! Thanks for looking! 😊 The bundle weight of this item is 1 Pound. If you would like to make a bundle, please do not exceed 4 pounds per bundle so I can safely package & ship your items. Thanks for looking! M23-Bkk