New York (2010) on January 05, 2026 Fluxus John Held Jr. Lecture Mail-Art New York Rubberstamps Ruud Janssen Stendhal Gallery Tam Rubberstamp Archive USA +
Rubberstamps for IUOMA Overview on December 26, 2025 Celebration General-President IUOMA IUOMA Rubber Rubberstamps Ruud Janssen Self-inking Stamps TAM-Publications +
TAM Rubberstamp Archive in L-Gallery Moscow (2004) on December 09, 2025 2004 Archive Documentation Gik Juri Moscow Rubberstamps Ruud Janssen San Francisco TAM Tam Rubberstamp Archive Tilburg +