2: faded and smudged unit information stamped on the side of the brick. Apple’s text rarely fades or smudges even on mistreated units. 3: velcro cable management strips on the cable. Apple has never included these. 4: no option to add the included extension cable.
https://www.amazon.com/Apple-MagSafe-Adapter-MacBook-display/dp/B008ALAAV0

