About the item: Signed by Dean Cain, this publicity photo features Teri Hatcher and Dean Cain from Lois Clark: The New Adventures of Superman television series. Measuring approximately 8 by 10 inches, it s certified authentic by CGC as part of their special Signature Series. With Signature Series, a certified CGC witness observes the signing, then immediately takes possession of the item so there is no question of authenticity. Regarding CGC Certified Photos: Please note that photos, prints, and original art sketches (that are not on actual comic books but are rather just on sketch paper or the like? i.e. anything certified by CGC that does not have a grade) are not searchable on their site by the serial number. Only graded comics and magazines - items with grades - are searchable by serial number. However, for such items not searchable on their site, you can call CGC Customer Service and they can verify the item authentication over the phone.