Full length blue and white polka dot dress from the early twentieth century

This is a full length woman's dress of blue with white polka dot satin. It is decorated with narrow blue braid around its neck, sleeves, back and sides, which is sewn on by hand. The dress has a front closure, and a white lace inlay around its neck. The narrow long sleeves have a crochet band of fabric in their middle with a button at the wrist. The skirt pleated front and back. Label: B.A. Krenz.