punching in brooch in ebay showed a lot of interesting ones besides old lady jewellery. several military ones. http://cgi.ebay.ca/Celtic-Brooch-BRI...QQcmdZViewItem


punching in pins showed a lot of cartoon collectibles. this has potential: http://cgi.ebay.ca/GOOFY-Red-AIDS-AW...QQcmdZViewItem

of course, tastes may vary.