Vintage Suisse Langenthal Blue White Miniature Stacking Saki Cups Mini Porcelain

Vintage Suisse Langenthal Blue White Miniature Stacking Saki Cups Mini Porcelain. Marked on the bottom, no chips or cracks, there is some crazing as expected from age. I am not sure if these are some type of sauce cups, saki cups or what. Measurements Across Top Length, with spout: 2 1/8 inches Across Top Width: 1 3/4 inches Height: 1 1/4 inches