Positively Negative was remastered in 2005 with bonus tracks added. in 2010 a full instrumental version of the album was released.
The cd booklet is identical to the original release
so to make sure you are buying the remastered version there are a few things you can check.
The catalog number on the spine is AMCD4
The spine also reads 2005 remaster.
The UPC is 763786660423
The new CD traycard
The new color disc art