Blueprinted sampler, cardboard double page printed on 4 sides with a blue pattern. 1st side: printed area horizontally divided into two sections – top: thick dots in diagonal stripes. Number 452 attached in the middle at the top. Bottom: smaller dots symmetrically arranged in horizontal stripes. Number 453 attached on the right in the middle. 2nd side: printed area horizontally divided into two sections – top: small formations in diagonal stripes. Number 454 attached on the left at the top. Bottom: symmetrical grid of small dots in diagonal stripes. Number 455 attached on the left. 3rd side: printed side horizontally divided into two sections – top: dotted “maze”, number 456 attached on the right at the top. Bottom: symmetrical grid of small dots in diagonal arrangement. Number 457 attached on the right. 4th side: printed side horizontally divided into two sections adorned with symmetrically arranged dots in diagonal stripes. Top with small dots and number 458 attached, bottom with thick dots and number 459 attached.