Here is a link to an authentic 1991 Hammer for sale at $15k USD (but it appears to have a 3.4L instead of the beastly 6.0L engine)...
http://www.mbspares.com.au/www/amg-300CE.html

But then here is 1985 authentic AMG for $29,900 USD (seems to be in stunning condition)...
http://www.dupontregistry.com/search/srDetails.asp?itemid=153142&sessionkey=