<span>1909-1913 is the answer</span>
Answer:
Carving from the Aztec period of dedicated to the fifth sun, the era that the Aztecs believed they lived in according to the Aztec calender. The calendar is best represented by two calendar wheels, one that lists each day god in the 260-day cycle and the other wheel shows each of the 365 vague year days.
Explanation:
hope it helps u
probably stamps cuz ya know they're real tiny and they probably thought that in like 30 years no one would be sending a letter so they're like 'yea ok they're just sticky pieces of paper no one cares'
