Acrylic Painted envelopes from 2015 on February 16, 2026 2015 Acrylic Painted Envelopes Anita Hennig De Villo Sloan Germany Heleen de Vaan Italy Lancillotto Bellini Ruud Janssen The Miss Noma Club USA +
Rea Nikonova & Serge Segay (Russia) on February 14, 2026 Germany Litsa Spathi Netherlands Peter Küstermann Rea Nikonova Russia Ruud Janssen Serge Segay +
Some Envelopes (1994 and later) on December 22, 2025 1994 Duvelhok Elke Masuur Enveloppes Germany Italy Jonathan Stangroom Mail-Art Pierpaolo Limongelli Ruud Janssen silkscreen printing Tilburg USA +