Woldenberg & Gross-Born P.O.W. Camp issues: Selection incl. Woldenberg 5 brown tied on piece by Olympic flag cancel, 10 red used (4) and unused (2) singles, tied on embossed mini sheet with Olympic flag cancel (small tear), tied on embossed mini sheet by red cross cancel (lifted and hinged, signed Korszen), and Gross-Born 10 grey card with Olympic flag illustration and unused 10r red-brown card, fine (Est. €300/500) (Image)