The assets of the Polish Stamp Foundation consist of a collection of stamps donated by the Founder and Donors. In the future, the Foundation also plans to purchase items on its own account in order to expand the collection.
Currently, the Foundation and its Founder possess, among others:
- Poland 1960 – 2007 – a complete collection in unmounted sheets, including complete perforations
- Poland 1860 – 2007 – a complete collection in unmounted stamps
- Polish “jedynka” – the largest collection of the first Polish postage stamp
- a complete collection of Polish Postal Blocks
- camp mail stamps, camp letters
- Europe CEPT 2000 – a complete collection in unmounted sheets from all European countries
- joint issues of Polish Post with other countries – in sheets
- Dialog of Civilizations 2001 – a complete collection in unmounted sheets from all countries worldwide
- unreleased Polish stamps in sheets
- Polish stamps in sheets with errors
- first day covers for all Polish stamps
- a collection of stamps and envelopes with autographs of people immortalized on postage stamps