2.75x4" double-sided membership card issued by Fawcett Publications Inc., 1946. Each side features different full body Mary Marvel image in red, black and white w/"Heroine Of WOW Comics" text on side w/neatly penciled girl's name and Mary Marvel facsimile signature. Back of card features Mary Marvel's magic "Shazam" word, w/the heroines listed whose first initials make up the name. Red color on front image is a tiny bit off-register, noticeably only on the face area. Slightest aging and trace corner bumps but still Exc. Card is for the only Golden Age superhero club specifically aimed at female readers. Rare and one of only a few we've offered in our 47 years.