Sampler for blue printing, double-fold cardboard printed on 4 sides with a blue pattern. 1st side: printed area horizontally divided into two fields – top: diagonal stripes of small four-dot motifs with a crescent moon. Number 348 pasted at the top. – bottom: diagonal stripes of five dots in the shape of a stylized flower. Number 349 pasted in the middle. 2nd side: printed area horizontally divided into two fields – top: diagonal stripes of small stylized flowers with stems, leaves, and a dotted flower, number 350 torn off at the top. – bottom: diagonal stripes of small stylized flowers with two leaves. Number 351 pasted in the center. 3rd side: printed area horizontally divided into two fields – top: diagonal stripes of small formations composed of fine lines and dots. Number 352 pasted at the top. – bottom: diagonal stripes of small stylized ornamental motifs made of arches and dots. Number 353 pasted in the center. 4th side: printed area horizontally divided into two fields – top: diagonal stripes of small dotted plant motifs, number 354 pasted at the top. – bottom: diagonal stripes of small stylized “twigs,” number 355 pasted in the center.