Tea and dessert service art deco

Porcelain tea and dessert service. Composed of a teapot, a sugar bowl, a milk pot, 6 cups and their sub-cups, a cake dish and 6 degonal dessert plates. All parts are marked with a letter or a number but no factory brand. Cake dish: length (Hanses side) 26.5 x width 24 cm dessert plates: 17 cm side 9 cm diameter cups x height 4 cm 13 cm diameter subcups teapot: Height 20 cm x Length 23 cm Sugar: Height 15 x Length 18.5 cm Milk pot Height 10.5 x Length 15.5 cm All parts are in good condition (no shards or cracks). The cups appear to have been handmade as they are not perfectly round.