This deck is based on the medieval Art of Memory, an esoteric doctrine that taught the rules of the true nobility: those of the intellect and of the soul. In fact, these cards describe the path to attaining perfection that anyone can follow, step by step, climbing each rung of the invisible ladder that unites the material world to the spiritual dimension.Included: 78 cards.Cards size: 6.6 x 12 cm (2.6" x 4.7"). Weight of the deck: 250 g. (approx).Includes instruction booklet (in English).Plastic coated paper playing cards.New, sealed. Made in China.100% authentic, original  product.