Thank you. Do you know maybe: does it have anything to do with the year/season?yes, Envelope varies, some do, some don't have the strap, regardless of the hardware
To be honest i didn't study this particular question, but i know for sure it does not define authenticity, both can be equally legit, subject to all markers to comply with authentic ones.Thank you. Do you know maybe: does it have anything to do with the year/season?