Here is a macro close up shot of one of the problem areas. Click on the image to view larger.
Luckily this does not effect the quality. Here are a few test shots and 100% crops.
Click on the images to view larger.
Shot at 200mm @f2.8
Stopped down to f16 @ 200mm
Here are a couple of examples of the front and rear elements in nice scratch free condition.
The lens is currently for sale on Ebay. Follow this link if you would like to bid on it.