An amazing-looking promo card has been announced by Cardsmiths, which is given as a gift-with-purchase of a master carton of Series 4.
The card is inspired by the Banknote China 20 Yuan and is limited to the 210 copies.

At the time of writing, this 20 Yuan Double-Sided Holofoil (DSHF) promo card goes for around USD400 in the secondary market.
About the actual note
The banknote which inspired this promo card is the 20-yuan note: the first in a series commemorating the Chinese zodiac (rat, ox, tiger, rabbit, dragon, snake, horse, sheep, monkey, rooster, dog, and pig) that will be introduced over the course of 12 years. A total of 100 million notes will be issued at face value, with a limit of 20 notes per person.

