One of each mint mark...?
PMD (post-Mint damage) in my opinion. Called a "counterstamp" in the old days, probably still is.
So digital would be the way to go?
http://m.ebay.com/itm?itemId=380812502363
You searched on eBay?
Why 1 month's worth of Greysheet weeklies?
What is covered in quarterlies 1 and 3?
Separate names with a comma.