wonder if it bears any realtion to:
http://www.amazon.com/dp/B000CPIMXK?...131%2F47.shtml
or
http://www.amazon.com/dp/B0007ZHAJ2?...131%2F47.shtml
maybe you could find the right texture and then put on a second coat of non-wrinkle blue for the color ???
I don't see any easy way to patch it though - would have to be a complete strip and re-do, I think.