<b>1907 - 1908 Verviers, Rue de la Chapelle, 42</b> Advertising wholesale picture postcards at the end of 1907 and the beginning of 1908 (La Comète Belge, 1.11.1907 & 15.2.1908). In 1907, "from 3 francs per thousand"; by 1908, "from 5 francs per thousand".