When you see a motorhome from the late 1970s, you always assume that the interior is a festering cesspit of moldy shag carpet and unspeakable detritus. If the seller describes it as "mint" you assume it is the color and not the state of being free from excessive bacteria...however, this next thing is the exception that proves the rule. Find this 1977 Executive Chief Motorhome offered for $12,000 near Denver, CO. Tip from Mike.