Originally Posted by
MarioRossi
I made OW Emerald on LAN one day before a flight with BA. I took the printout with me which wasn't enough. But they were nice enough to phone someone in Heathrow (not sure who it actually was), read my number to him/her and had them verify that I was an Emerald member.
+1^
Door dragon at LHR T5 Galleries rang the Admirals Club (in T3?) to verify our status when we were there last year