No. 700 - arriving mail art "neue Erkenntnisse im Fall Otto von Bismarck" from Heinz W. Lotz (Germany)

No. 700 - arriving mail art "neue Erkenntnisse im Fall Otto von Bismarck" from Heinz W. Lotz (Germany) - another funny collage arrived today with a skull which seems to have a helmet included to the bone structure. Thank you very much.
see information about the artist here: http://www.bbk-darmstadt.de/Lotz,%20Heinz.htm