odd question of the day to those that have received tix

Is it obvious from envelope they're from Wembley / contain tickets?
I'm going to be away when they're delivered and someone who is coming in to feed cats is going to post them on for me.
Any distinguishing marks on envelope I can tell her to look out for?
Don't want her particularly opening up every bit of post delivered in next few days.
Cheers

Posted By: South_West_Canary, May 19, 13:29:39