When I run across an Ebay auction for a variety I don't have - I'll print the listing and incorporate the pages in with my other reference material. Most accurate listings provide fairly good information in the way of pictures, descriptions and value/pricing. Does anyone else do this?
There are times that I print out a sale, especially for something interesting. But, mostly I do this for book sales, since the majority of coin errors on eBay are poorly pictured, or mis-described, or just plain junk. But, sometimes ....