Postcard of the ‘Language of Stamps’ and an example of a tilted stamp, 1915 & 1908 (2005-0082/73 & 2014-0038/032) When you’ve selected your stamp you could also use the Language of Stamps to send a hidden message to the receiver. By angling the stamp left, right or even upside down it conveys a different meaning.
这也有讲究啊