Very hard to choose, and if I did this again tomorrow it would probably be a different brick. I considered slanting these more towards the cardstry/magic decks, but to be truthful this is it. I would swap the "Bag of Bones" for my Yutaka Kikuchi fanning deck from the 70's, but it is too large to fit in a brick.
Sun Wukong - Monkey King from China (Puke looks funny but I think it is actually Pu Ke for playing cards)
Early Deland's
Tactics Supranationals - deck printed by Nintendo in 1982
Bag of Bones - one of a series of transformation decks from artist John Littleboy
Blue Artifice 1st edition
DSR Rostock II - Naval Company deck with custom art. Aces feature sea monsters.
Ackermann transformation deck from 1818
Sentinels
Penitentiary deck from The Netherlands
Split Spades 1st edition, any colour
Oldschool Pirate Tattoo by tatoo artist Vitaly Fishilevich
Le Jeu de Marseille - deck created by the surrealists in 1940