Sampler for blue printing, cardboard double sheet printed on 4 sides 1st side: printed area horizontally divided into two sections – upper: in diagonal stripes, a group of five dots in the shape of a stylized flower, alternating with stripes of the same flowers, but every other one forms a small blue square with four white dots in an arc. – lower: in diagonal stripes, small stylized grape-like shapes made of white dots on a blue background. 2nd side: printed area horizontally divided into two sections – upper: in diagonal stripes, small shapes composed of a basic blue circular field with tiny white dots at the bottom, above them a white arc, and above it, outside the blue field, a trio of dots. – lower: in diagonal stripes, stylized small flowers composed of white dotted stems and petals, the actual flower being a blue dot. 3rd side: printed side horizontally divided into two sections – upper: in diagonal stripes, a small ornamental motif composed of a blue circular field and four white dots on it. – lower: in diagonal stripes, a small ornamental motif composed of a trio of white dots on a white field with a semi-arc at the bottom. 4th side: printed side horizontally divided into two sections – upper: in diagonal stripes, a small ornamental motif composed of a stylized flower with stem and leaves made of white dots, with the flower itself on a blue circular background. – lower: in diagonal stripes, a small ornamental motif of individual flowers composed of white dots on a blue circular background.