Natasha Denona Crest (267M) is a warm copper with a metallic finish that is limited edition and retails for $29.00. In comparison, Sephora Antique Copper (359) is a warm copper with a metallic finish that is permanent and retails for $9.00.
Sephora Antique Copper (359) is 90% similar — it is less shimmery, lighter.