Recently I was very lucky in a tournament. Well I could have been very unlucky and upset being told partner had the Queen on this hand but was relieved that GiB did not make the winning lead. It has happened a few times - showing the Queen in RKCB
Maybe GiB felt bad and balanced it up with the lead
regards P
PS I've also had a few bad occasions when GiB showed even keycards and a void with 0 keycards. I think it is generally preferable to show zero keycards in the case of zero