From the post:
Special Edition: 8 character figures with their exclusive cards, 10 Premium Foil Cards, 8 Initiative cards, 52 Tactics cards, 3 booklets (Access Guide to Human Sphere, How-to-Play instructions and Reference Guide), a reversible board (the HexaDome), dice, counters and tokens.
Collector's Limited Edition: This edition includes the CORE BOX and:
8 METAL MINIATURES (28 MM) ,10 PREMIUM FOIL TACTICS CARDS, 8 EXCLUSIVE ART POSTCARDS, NUMBERED CERTIFICATE OF AUTHENTICITY
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