Catalogue n°59 from Kunsthandlung Helmut H. Rumbler “SAMMLERFREUDEN / COLLECTOR’S DELIGHT” The new catalog 59 of Kunsthandlung Helmut H. Rumbler, published at the beginning of September as usual in printed form, is also available online on the gallery’s website www.helmutrumbler.com. Under the title SAMMLERFREUDEN / COLLECTOR’S DELIGHT, the gallery offers an exquisite selection of 60...