Maya numerals, black and white. Vigesimal, twenty-based Mayan numeral system for representing numbers and calendar dates in Maya civilization. Zero is a shell or plastron, one is a dot and five a bar. Longsleeve T-shirt #535326544
If you need a timeless long-sleeved t-shirt, this soft long-sleeved crew shirt is the one for you. It has a 100% combed ringspun cotton, 32 singles thread weight, 4.3 oz. fabric weight, a set-in 1x1 baby rib collar and a tear away label.