Porcelain dinner service with gold and black rim

Second half of the 20th century. Good condition. The 57-piece set includes: 12 soup plates, 22 dinner plates, 9 dessert plates, 1 soup tureen, 1 square serving platter for meat, 1 smaller oversized flat platter, 1 larger oversized flat platter, 1 smaller oversized oval platter, 1 larger oversized oval platter, 1 narrow rectangular serving platter, 1 small plate with matching soup bowl, 2 sauce/tea bowls, 1 smaller dessert plate, and 3 tea saucers.
Size: soup plate: 3,8 × 23 cm, dinner plate: 2,8 × 24 cm, dessert plate: 2,3 × 19 cm