Blue-print sample book, cardboard double-sided sheet printed on 4 sides with a blue pattern. 1st side: printed area horizontally divided into two fields – top: in diagonal stripes, indistinct tiny ornamental motifs. Number 372 affixed in center at the top. – bottom: in diagonal stripes, several stylized flowers with drooping dotted “leaves”. Number 373 affixed in center. 2nd side: printed area horizontally divided into two fields – top: in diagonal stripes, indistinct tiny ornamental motifs composed of a three-dot and arc pattern. – bottom: in diagonal stripes, tiny stylized flowers composed of four dots with one in the center. Number 375 affixed in center. 3rd side: printed area horizontally divided into two fields – top: in diagonal stripes, tiny stylized flowers with four dots and a stem in the center. Number 376 affixed at the top. – bottom: in diagonal stripes, tiny stylized flowers with three tiny dots and one thick dot. Number 377 affixed in center. 4th side: printed area horizontally divided into two fields – top: in diagonal stripes, larger stylized flowers with “rose-pink” petals. Number 378 affixed in center. – bottom: in diagonal stripes, tiny stylized flowers with three tiny dots and a comma in the center. Number 379 affixed in the center.