one can always find tons of $25.00 chips on ebay. Here are just a couple of MANY.
http://cgi.ebay.com/Las-Vegas-Palms-Kiss-25-00-Chip-Very-Rare-Ltd-800_W0QQitemZ6273410962QQcategoryZ63756QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Ambassador-Casino-25-00-Casino-Chip-Las-Vega_W0QQitemZ6273037706QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Lucky-Club-25-00-Non-Negotible-Casino-Chip_W0QQitemZ6273037732QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/TWO-25-00-OBSOLETE-DUNES-CASINO-CHIPS-LASVEGAS-PAULSON_W0QQitemZ6273663795QQcategoryZ63756QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Golden-Hotel-Casino-25-00-Chip-Reno-Nevada_W0QQitemZ6273862694QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Palms-Las-Vegas-2005-CCGTCC-25-00-TX-Holdem-Poker-Chip_W0QQitemZ6273907122QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/25-00-CHIP-FROM-THE-PALMS-AND-THE-KID-ROCK-CONCERT_W0QQitemZ6274655114QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
http://cgi.ebay.com/Bob-Stupaks-Sinabar-25-00-Casino-Chip-1974_W0QQitemZ6274143558QQcategoryZ63754QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
