THORSTEN VAN ELTEN STAMP MUGS - SET OF 2 Those irritating ringmarks that mugs and cups leave..... well, you can turn them into a nice floral pattern now with a set of Stamp Cups. The pattern on the base of the cup match up so you can join as many marks as you want. Set of two mugs. Designed by Valeria Miglioli and Barnaby Barford. $56.00