Bulgarian stamp Russian stamp Finnish stamp British stamps Demolition of the former Clusius Lab Forbidden for red cars and black cyclists Demolition of the former Clusius Laboratory Demolition of the former Clusius Laboratory Building project former Anatomy Lab Roof snake Bookstore Kooyker moved two doors Letter to Dubai Old government department Old government department building A performance of the Matthäus Passion by J.S. Bach Tandem Villa Bamestra Villa The Old Empty Barn Emergency Telephone Surrounded Tufted Ducks U-boat Sri Lankan stamp United Arab Emirates stamp United Arab Emirates stamps German stamps Letter to Dubai Saturday market in Leiden Glove Blackout Building project Langebrug Building project former office Rhineland Water Boar… Building project former office Rhineland Water Boar… Building project former office Rhineland Water Boar… Building project former Van der Klaauw Lab Jordan Post franking label Chinese stamps Flasher Two hounds and a man in a crown De Son bequaem ys mynen naem Mock execution Sint Elysabets Gasthuys Crow-stepped gables Inside the Frans Hals Museum