This vintage Mexico flat calendar is a unique piece of jewelry that features a Mayan calendar design. Made of 925 silver, this piece is round in shape and has a weight of 10 grams. This piece does not have a pin back or loop and is perfect to incorporate in a new piece of jewelry or apply to a personal item such as a zippo lighter. It was manufactured in Mexico and is a great addition to any jewelry collection. The design is intricate and the attention to detail is impressive. This brooch is perfect for anyone who loves vintage and antique jewelry.