USPS The mystery message of 2021 is always top-notch, fun and celebratory

This list is 25 manuals, with a total of 500 stamps. The new mysterious message stamp aims to test your detective skills. For your special occasions. The stamp design has bright colors and interesting shapes. It is a visual riddles, which clarifies difficult information. Although these patterns seem to be random, they are carefully placed so that when the message is put together, the information is read as "not only to satisfy the eyes". The ideas of the event include colorful, cute, Valentine's Day, wedding, celebration, anniversary, art or party stamps.