This issue is a variant of Tomb Raider: The Series (Image, 1999 series) #11. There exist further variants.
Limited Edition of 999. Though the variant is exclusive to Graham Cracker Comics, the blue foil in this edition is through Dynamic Forces and Wizard Authentic so the COA is through them.
The GCC variant cover images of Tomb Raider: The Series (1999) #11 connect to the GCC variant cover images of Tomb Raider: The Series (1999) #12 to create a larger image.