Why don't we answer Joe's question? Joe, go to eBay and do an Advanced Search on Sold Items, using keywords Dopey Norman. You will find one chip sold for $147 and another for $306 or so.

http://www.ebay.com/sch/i.html?_nkw=Dopey+Norman&_in_kw=1&_ex_kw=&_sacat=0&LH_Sold=1&_udlo=&_udhi=&_samilow=&_samihi=&_sadis=15&_stpos=&_sargn=-1%26saslc%3D1&_salic=1&_sop=12&_dmd=1&_ipg=50&LH_Complete=1

(If this link will work via the ChipBoard rules for posting messages.)

Condition and exact chip style are important!

Short answer: Dopey is worth a small fortune. I don't have a small fortune to pay for one, but someone has, I hope.