John Matthews. With cards illustrated by Giovanni Caselli. Box set. 9" x 6" x 1 3/4". The Grail legend is one of the most famous mysteries the world has ever known. This 78-card Tarot deck with spectacular Renaissance-style art relates to the quest for this sacred Christian relic and connects it to our desire to understand the puzzles within our own lives. Characters drawn from over 2,000 years of fascinating Grail history.