The article discusses the collection of 131 clay vessels excavated in 1993 and 1998 in a cellar of the 'Pod Blacha' Palace in Warsaw. The room was discovered during renovation work and is not mentioned in any archival sources. The analysis of the preserved plans of the palace indicates that the cellar was built in the 18th c., certainly before 1779. On the basis of coin finds the pottery in question has been dated to the beginning of the 19th c. Among the vessels there are various kinds of kitchen- and tableware, characteristic of indigent early nineteenth-century households. The text presents the results of technological, morphological and functional analyses of the vessels, as well as general conclusions concerning their origin. It also gives general information on the function of such pottery in nineteenth-century households.