19th century pillowcase embroidered with complex days

Exceptional. A huge monogram to the north of the center bordered by multiple rows of complex days, a fine, supple and cold linen thread canvas, it is a unique 19th century pillowcase - circa 1880 in very good condition, hand sewn with stitches imperceptible with a few tiny jumps in embroidery thread possible on a work of this age. Remarkable dimensions, exterior 78cm, interior 68cm. Monogram 20cm X 10cm.