Bookbinding sampler, cardboard double leaf embossed on 4 sides with a blue pattern. 1st side: embossed area horizontally divided into two sections – upper: “zig-zag” decoration with lines and dots. Part of the upper surface of the cardboard with worn finish. Number 539 pasted on the top left. – lower: dotted horizontal zigzag with dotted wheels at the peaks. Number 450 pasted on the right. 2nd side: embossed area horizontally divided into two sections – upper: diagonal stripes of small dots forming square shapes. Number 541 pasted on the top left. – lower: Vertical bands of stylized flowers and dotted bows. Number 542 pasted on the left. 3rd side: embossed area horizontally divided into two sections – upper: diagonal network of squares made with small dots. Number 543 pasted on the top right. – lower: bold double leaves in diagonal arrangement with a tiny swastika. Part of the finish damaged. Number 544 pasted on the right. 4th side: entire surface decorated with a network of thin volutes. Number 545 pasted on the left.