A man’s curiosity has sparked a discussion after he questioned the purpose of a strange barcode, or ‘black and orange streaks’, on his post.
The intrigued individual took to Reddit, querying: “Does anyone know what these markings are on envelopes?” He also shared images for clarity, adding: “I’ve always seen these black and orange streaks on envelopes but never paid them any attention. Today I noticed that there is not a watermark/logo as each one appears to be unique.
“I have attached two pictures: the first is from the Sunday Times and the second is from an estate agent. My initial thoughts are that they are some sort of digital identifier where the letter gets scanned and then sent to the correct destination ... Read even more
