If you have a long term loan shirt or other item of memorabilia in The Clubhouse at the CBSA you should make an attempt to recover it now while the stadium is currently being debranded.
Please drop an email to Info@cbsarena.co.uk and they will forward you on to the debranding manager.
You'll need to provide proof of ownership of the item, photos, email trails with Wasps previously, that kind of thing. Then you'll be able to arrange collection.
I'm going through the process at the moment for my 2006 Guinness Premiership semi final shirt.