Pressing can only raise a comic in the same range (e.g., 9.0 to 9.6), but it can significantly improve a low grade book.
Below is my press of Adam: Legend of the Blue Marvel #1
Come hear my 61 word ramblings
Pressing can only raise a comic in the same range (e.g., 9.0 to 9.6), but it can significantly improve a low grade book.
Below is my press of Adam: Legend of the Blue Marvel #1
Practical Considerations for Humidifying and Flattening Paper
A Preliminary Study of the Effects of Pressing on Comic Book Paper
CCS Comic Pressing Services (Specifically speaks about CGC’s stance on comics and what defects are good candidates for pressing)
There are some great postings that offer great advice on pressing.
Amateurs tempered my fear to get started with my own books. The key I’ve learned is to start with good equipment. Stick with a good quality, sturdy dry mount press that can go down to around 150°F. Try to find one cheap on Craigslist, otherwise, the shipping will kill ya.