Souvenir. [Finely bound mother-of-pearl card case, and carnet de bal notepad]. Courtois, editeur, rue Philipeaux, 26. [Paris]. Circa 1870.Printed title page and 15 blank leaves. Original rose pink silk endleaves and pouches for keeping calling cards. 60 x 95 mm. Full iridescent mother of pearl covers, with engraved silver four drop central decoration on frontcover. See OCLC, 889655040 for similar example at Harvard University Library. The use of iridescent mother of pearl or nacre was a hallmark of luxury Parisian craftsmanship during this period. It was prized for its lightweight,