Pair of shortsowing pillowcase in linen wire without monogram

Two remarkable pairs of very refined pillowcases in linen yarn, kit reserve. Thin, dense, nervous, very cold canvas, embroidered with a row of finely executed simple days. These hand-stitched pillows with microscopic dots have a bellows on the back - instead of a flat surface - to accommodate the thickness of the pillow (down?) without distorting the visible face. Taies closed by 5 mother-of-pearl buttons. Small abb number on the back in white. Around 1950, order linen. Dimensions of pillow housing (breath) 70cm X 65cm. Rare 2 pairs available. Reserve linen of large bourgeois house very refined in perfect condition. Exceptional.