Originally Posted by
stimpy
Oh gosh. Should I put both the old and the new card on my briefcase?

Yes, and
rrrrrich do say hello to
stimpy the next time he passes you
Originally Posted by
PETER01
I do rather suspect there is a very small minority who still display invalid cards for vanity reasons, possibly. (Pure speculation there of course)
Originally Posted by
SteveF
Or just because they are a bag tag with their name on. I always use them until they fall off (which admittedly is usually pretty fast) whatever colour they are, irrespective of the level I'm at.
A good point and personally I use a rather good quality luggage tag with my details on it. I wouldn't be comfortable with displaying a bag tag with a tier level I wouldn't be currently be at bit as always YMMV.