Posted By:
Ed HansAs a seller, I provide a scan of the back of all single cards I sell (not usually lots) except for those with blank backs. Even for cards with blank backs, I post a scan if there is a) an unusual feature (a ghost image or stamp), or b) an important flaw on the reverse that a potential buyer should be aware of before a bid is placed.
As a buyer, I don't necessarily trust the grading companies to catch everything. We have all seen too many 5's or 6's with paper loss on the reverse.