A nineteenth-century silver pipe with portraits of members of two important Polish families, Potocki and Zamoyski - Morawski, Michał; Stam, Ruud (. Journal of the Académie Internationale de la Pipe. - Liverpool : Académie Internationale de la Pipe, School of Histories, Languages and Cultures, University of Liverpool, 2008-. - ISSN 2040-8307 11, 2017)