This:

According to the report, the European Union passed a law last year extending copyright protection from 50 to 70 years, but only for works published before the original 50-year term expired. Hence the rapid publication of this, obviously without spending too much time on the cover art.

The report says Sony has released only 100 of the collections (I’m assuming that’s the minimum number of copies to get the extension), and they now appear to be going for about $1,500 each on eBay.