Old white porcelain mazagrans France

Lot of 4 ancestors of our mazagrans in white porcelain, they are smaller, (i put a photo with an egg cup next to it to estimate the size) original and elegant products, estimate of the period early 20th century there are 2 different models in beautiful antique state of conservation, reports on one a mini crack (see the last photo) dimensions: 6.5 cm in diameter and 9 cm in height (for the 3) and 6.7 cm in diameter and 10 cm in height.