Teotihuacan

Thank you Luis! Sent on March 8th, this stunning cover featuring a Teotihuacan s/s from 2010 only arrived today. 

Thank you Luis for the FDC format. 

Thank you Monica for this surprise cover! The 2010 joint issue s/s has Teotihuacan and the Azerbaijan site of Ateshgah of Baku on it.

Psychedelic lithograph? 

1970s postcard of the famous site!

 Bottom right airmail stamp shows the Quetzalcoatl Temple at Teotihuacan.