An evaluation written in May 2020 of the CBCS and CGC graded copies of Amazing Spider-Man #300 (1988) is available at: http://www.slabdata.com/blog/2020/05/18/amazing-spider-man-300/
Amazing Spider-Man #300 (1988) Direct and Newsstand
Newsstand101.com – DirectEdition101.com
Comic books are all the same, right?
An evaluation written in May 2020 of the CBCS and CGC graded copies of Amazing Spider-Man #300 (1988) is available at: http://www.slabdata.com/blog/2020/05/18/amazing-spider-man-300/