Starting from the work of pioneers of the historical avant-gardes, this volume reconstructs synthetically the vicissitudes of artists' postcards, ranging from the conceptual mailings of Fluxus to the multicoloured oddities of the planetary circuit of mail art, from unusual unique pieces" to the most stimulating alternative and New Pop editions, up to the phenomenon of promotional free-cards and to the virtual e-cards via Internet." -- Source of annotation: Marvin or Ruth Sackner.