If you visit TVXQ’s official website, you can find the album details icon to check it:

Album details:

• Size: W 205 × H 275 × T 10.5mm
• Front/Back cover: 3 Types (A Ver./B Ver./C Ver.)
• CD: 3 colours (A Ver./B Ver./C Ver.)
• Booklet: same for A, B and C. Interview with TVXQ (168 Pages)
• Poster: one out of 2 random types (W 610 × H 920mm)
• Photocard: one out of 4 random types (W 55 × H 85mm)

Translation of messages on photocards (left to right):

Yunho:
-I hope fateful!! days will continue on ^o^*
– already~ the 15th anniversary!! Thank you~♥️ you know the rest, right?

Changmin:
-thank you very much for the support
– thank you very much

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Credits:

TVXQ! Official Website,
Cards translation by @snxy,
Shared by TVXQ! Express