Nobody ever went this far to create four different types of Double Face Decks. They all serve a certain purpose, just let your mind wander to figure out which one suits your task best!
This is our Double Faced Deck which is set up like an Invisible Deck: odd values backed with even values with a total of 13; Hearts backed with Spades, Diamonds backed with Clubs. ie. 4H/9S, 7C/6D, etc.
The Mirror Deck has a back that matches its face.... ummmm, a face that matches its back....ummm Two Faces that are matching! ie. AS/AS, 4H/4H, etc.
The Opposite Mates Deck which is similar to the Mirror Deck in that the values match; however it has opposing suits similar to an Invisible Deck. ie. AH/AS, 4S/4H, 7C/7D, etc.
The Mates Deck is similar, again, to the Mirror Deck; however the suits are the same color. ie. AS/AC, 4S/4C, 7D/7H, etc.