Beautiful Art Glass Box (3.50x5.75 inside), with a mirrored bottom, and little rubber feet to protect furniture. Can accommodate most tarot decks. Lid design is sandblasted. Made in Canada from Art Glass manufactured in USA. Cobalt blue (CB) is for guidance, intuition, knowledge. The Maya calendar is a system of calendars and almanacs used in the Maya civilization of pre-Columbian Mesoamerica, and in some modern Maya communities in highland. The essentials of the Maya calendric system are based upon a system which had been in common use throughout the region, dating back to at least the 6th century BC.