Chanel Revelation (897) is a warm taupe with a metallic finish that is limited edition and retails for $34.00. In comparison, Marc Jacobs Beauty Pewter Please (110) is a neutral taupe with a metallic finish that is limited edition and retails for $26.00.
Marc Jacobs Beauty Pewter Please (110) is 80% similar — it is more shimmery, lighter, cooler.