From the front cover:
Two-Color Forms To Use While Playing CALL OF CTHULHU
Reanimate Your Characters!
Contains 12 copies of the 1920s sheet, 6 copies of the 1990s sheet and 7 copies of the 1890s sheet.
This is just a pack of loose character sheets shrink wrapped with a cover sheet. They are the same sheets found in the Call of Cthulhu 5th ed. main rulebook, only in color. There is no listing for any developers, artists, or production staff.