Does anyone know anything about these.

Are they highly collected.

Are they common?

Any books available. Any info. would be

appreciated, as I only have 2 different one's.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=27173&item=7160320379&rd=1&ssPageName=WDVW

See the one on Ebay ......... Mudbone