This Marc by Marc Jacobs New Jumble Samsung Galaxy S4 Case drops from $49 to $19.20 in the Amazon Purple Multi color (pictured) for a limited time at ShopBop. With free shipping, this is the lowest price we could find by more than $6. The case also comes in Cabernet Red Multi and White Multi for $24. Don't have an Android? There are Marc Jacobs iPhone cases on sale, too! Items ship in 3 days or less. There is no sales tax (except NY, IL and WI).