There are a couple like yours on eBay right now...

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3443&item=6175391135&rd=1&ssPageName=WDVW

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3443&item=6175782680&rd=1&ssPageName=WDVW

and one sold recently for $55:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3443&item=6172347974&rd=1&ssPageName=WDVW

Incidentally, "Maneki Neko" means lucky cat. Lots of Japanese and Hawaiians have the ceramic cats with one or both paws raised. They're usually painted white, gold or black.