Frequent Explorator contributor AS sent this one in (thanks!) ... the Antiquanova people make some really nice reproductions of coins, including ancient ones. Some coins are made of tin and are clearly affordable. It would be nice (hint, hint) if they made a teaching set or something like a Roman-history-through-coins set .... of course, if you haven't visited Hobbyblog lately, EF continues to post a (real) ancient coin a day ...