Sample card of indigo printing: double-sided cardboard with white patterns. Front side: The entire surface horizontally divided into two fields: upper – area covered with identical floral motifs (carnations?) in a diagonal arrangement. Number 588 attached in the top right corner. Lower field mirror-covered with larger stylized identical flowers in diagonal arrangement. Number 589 attached on the right. Back side: Surface horizontally divided into two fields – top with diagonally arranged identical stylized flowers, number 590 attached in the top left. Below, diagonally arranged identical tiny stylized flowers. Surface with partially damaged finish. Number 591 attached on the left.