Meet João Machado — master of color, form, and some of Portugal’s most striking stamp designs. Don't miss the cheeky giveaway at the end of the post for a chance to win one of his famous cork stamps! 😍

https://www.postcrossing.com/blog/2025/10/25/a-unique-chromatic-code-master-designer-joao-machado-s-journey-from-sculpture-to-stamps