I had a $250 grab box of Christmas presents to give show as delivered from amazon but there was nothing at the door. They told me to wait 5 days and then escalate. 2 days later some guy shows up and says I think this box showed up at our place by mistake.
Ah, I see London's only illiterate postal employee has been visiting your area as well. You think they could at the very least match the symbols even if they can't read.