Originally Posted by Kiwi Flyer
The UK *A upgrades were issued in promo earlier this year. AFAIK no new ones issued anymore (ie promo is closed), but you may be able to trade with someone.
The UK vouchers are not transferable. They have printed on the front of the voucher both the name and mileage number of the person receiving them. The "owner" of the voucher must travel on the flight where the voucher is used (i.e. you can upgrade someone else on your flight).