It is also a good set of silver pieces the one that exhibits the Pedro de Osma Museum. Not only for religious use such as lecterns, custodies, chalices; but also for domestic use: trays, mate jars, etc. There are also the cases for incense and also tupus and masks worked in the most varied techniques of embossed and chiseled for civil and religious use. It emphasizes an important number of filigree objects.

An effort and precise desire of the Pedro and Angelica de Osma Foundation, was to give to the country one Room of Plateria (Silver Art), on the base of the collection formed by Don Pedro de Osma. It is open to the public.